Time Measuring Instruments - United States (US)

Federal Supply Class (FSC): 6645

NATO Supply Classification Class (NSC): 6645

Federal Supply Group (FSG): 66 Instruments and Laboratory Equipment

NATO Supply Classification Group (NSG): 66 Instruments and Laboratory Equipment

Items Managed by United States (US) - NCB is 00 to 09

Page 6 of 33

NSN Format for Time Measuring Instruments
Codified by United States

664501XXXXXXX
Group
FSG
ClassNCBIdentifier
FSC
Federal Supply Class
NIIN
NSN

NATO Supply Class 6645 refers to Time Measuring Instruments, which are categorized under NATO Supply Group 66 for Instruments and Laboratory Equipment.

Time Measuring Instruments in this class are used for measuring and indicating time intervals, durations, or specific points in time. These instruments are commonly used in various industries, including scientific research, manufacturing, aviation, and telecommunications.

Some examples of Time Measuring Instruments in this class include:

1. Clocks: These are devices that display the current time and are commonly used for general timekeeping purposes.

2. Timers: These instruments are used to measure and indicate specific time intervals or durations. They are often used in laboratory experiments, cooking, and sports events.

3. Stopwatches: These handheld devices are used to measure and record the time elapsed between the start and stop of an event. They are commonly used in sports, athletics, and scientific experiments.

4. Chronographs: These instruments combine the functions of a watch and a stopwatch. They can measure and record both the current time and elapsed time.

5. Time Recorders: These devices are used to record the time of events or actions, typically in a workplace setting. They are often used for attendance tracking and timekeeping purposes.

It is important to note that NATO Supply Class 6645 includes a wide range of time measuring instruments, each with its own specific features and applications. When selecting a time measuring instrument, it is essential to consider the intended use, accuracy requirements, and any specific features or functionalities needed for the task at hand.

FSC 6645 Time Measuring Instruments - United States (US)
FSC 6645 Time Measuring Instruments - United States (US)

Includes Clocks; Job Recording Devices; Time Recorders; Time Stamps, Watch and Clock Movements; Watches.

Note-Infrared assemblies (including sub-assemblies and components) designed specifically for use as or with instruments and laboratory equipment are included in the classes of this group. Also included are computers (including computer assemblies, computer systems and components) designed specifically for use with instruments and laboratory equipment.

Frequently Asked Questions(FAQ) for Federal Supply Class 6645 Frequently Asked Questions(FAQ) for Federal Supply Class 6645

What is Federal Supply Class 6645?
FSC 6645 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 6645) in the USA for supply items codified in the category of Time Measuring Instruments.
What is NATO Supply Classification Class 6645?
NSC 6645 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 6645 in the USA) for supply items codified in the category of Time Measuring Instruments.
Which Federal Supply Group is FSC 6645 in?
FSC 6645 is in Federal Supply Group (FSG) 66 which contains Instruments and Laboratory Equipment.
Which NATO Supply Classification Group is NSC 6645 in?
NSC 6645 is in NATO Supply Classification Group (NSG) 66 which contains Instruments and Laboratory Equipment.

Supply Items Included in Federal Supply Class 6645 Supply Items Included in Federal Supply Class 6645

What is a Time Recorder? 23 Items
A Time Recorder (RECORDER,TIME) is a mechanically or electrically operated clock which is primarily designed to imprint time data on cards, documents, and the like. It may be equipped to imprint additional data not related to time. It may be actuated manually or automatically by card insertion. It incorporates provisions for automatic, semiautomatic, or manual precise positioning of lined, and/or columned "in and out" time cards, "elapsed time" job cards, and the like. For similar items not having provisions for precise positioning, see STAMP, TIME. See also CLOCK, RECORDING, WATCHMAN'S. For instruments designed to measure the total operating time of a circuit, machine or system, see METER, TIME TOTALIZING.
What is a Time Stamp? 39 Items
A Time Stamp (STAMP,TIME) is a mechanically or electrically operated clock which is primarily designed to imprint time data on letters, documents, and the like. It may be equipped to imprint additional data not related to time. It may be actuated manually or automatically by insertion of the item to be stamped. It does not incorporate provisions for precise positioning of the stamp. For similar items which incorporate provisions for precise positioning of the stamp, use RECORDER, TIME.
What is a Stopwatch? 91 Items
A Stopwatch is a timepiece designed exclusively to indicate a time interval, with reference to measurement. It may be started and stopped at any given instant, and controlled by a start and stop mechanism. Excludes Timer as used to control, regulate, or register a fixed time interval which has been previously determined.
What is a Direct Reading Clock? 35 Items
A Direct Reading Clock (CLOCK,DIRECT READING) is a clock having a mechanism which measures and indicates the progress of time in direct numeric sequence on a series of rotating drums. For instruments designed to measure the total operating time of a circuit, machine or system, see METER, TIME TOTALIZING.
What is an Interval Timer? 1053 Items
An Interval Timer (TIMER,INTERVAL) is an instrument for signalling the expiration of a predetermined time. It may also have an automatic switch for control of electrical circuits See also TIMER, STOP.
What is a Program Clock? 18 Items
A Program Clock (CLOCK,PROGRAM) is an electrically operated clock having a disk, drum, or tape mechanism for presetting scheduled operation of bell(s) or other signals connected to one or more electrical circuits. It may not have a mechanism for controlling or regulating secondary clocks.
What is a Master Regulating Clock? 52 Items
A Master Regulating Clock (CLOCK,MASTER REGULATING) is a precision clock having a mechanism for controlling and regulating secondary clocks. It may not have any device for actuating bells or other signals.
What is a Stop Timer? 177 Items
A Stop Timer (TIMER,STOP) is a precision instrument for measuring and indicating elapsed time periods. Not intended to be carried on the person. See also TIMER, INTERVAL.
What is an Alarm Clock? 13 Items
An Alarm Clock (CLOCK,ALARM) is a clock having an adjustable alarm device for signalling at a preset time.
What is a Mechanical Marine Clock? 23 Items
A Mechanical Marine Clock (CLOCK,MARINE,MECHANICAL) is a clock having a spring-wound movement, contained in a moisture-proof plastic or metal case designed for mounting on a vertical surface.
What is a Wall Clock? 220 Items
A Wall Clock (CLOCK,WALL) is a clock specifically designed for mounting on or in a wall. It may have chimes and/or strike features. It shall not have any mechanism for controlling and regulating secondary clocks or alarm signalling devices.
What is a Time Totalizing Meter? 1968 Items
A Time Totalizing Meter (METER,TIME TOTALIZING) is an instrument that automatically measured, and cumulatively registers the total operating or idle time of any circuit, machine or system, to which it is connected. See METER, FREQUENCY AND TIME TOTALIZING, ELECTRICAL.
Watch,Wrist 117 Items
What is a Chronometer? 35 Items
A Chronometer is an instrument for precisely determining time, manufactured to close tolerances to assure the time-keeping qualities of dependability and consistency of rate. These qualities are accurately ascertained by comparison with more exact devices or by astronomical methods so that the accumulated error may be taken into account when determining time. Its usual uses are to indicate time for navigational purposes, and to serve as a reference for less accurate timepieces. It is usually provided with a winding indicator dial and is usually mounted in gimbals to maintain the instrument in a level position. May consist of a spring driven or other type of movement which is capable of exacting performance without regulation throughout the normal range of room temperatures. Not designed for carrying on the person.
What is a Mechanical Timing Movement? 26 Items
A Mechanical Timing Movement (TIMING MOVEMENT,MECHANICAL) is a precision instrument designed to provide a constant velocity rotational movement. It may or may not have a self-contained power source. It is adapted to actuate mechanical time fuze(s), switch(es) and/or mechanical lever(s) and the like. It does not have a dial or case. Excludes TIMER, INTERVAL and TIMER, STOP.
What is a Dashpot? 37 Items
A Dashpot is a device usually consisting of a piston and cylinder with means of securing one or both ends. It is used for cushioning or clamping a movement to avoid shock, absorb vibration,or for time delay, by the restricted passage of fluid (gas or liquid) through an orifice or around the piston.
What is a Panel Clock? 155 Items
A Panel Clock (CLOCK,PANEL) is a clock specifically designed for mounting on or in a panel. It may have a strike mechanism. Excluded are mechanisms for controlling and regulating secondary clocks and alarm signalling devices.
What is a Timer Housing? 12 Items
A Timer Housing (HOUSING,TIMER) is the outer component of a timer designed to inclose, support and/or protect the timer mechanism.
What is a Wrist Instrument Strap? 34 Items
A Wrist Instrument Strap (STRAP,WRIST INSTRUMENT) is an item consisting of one or two narrow strips of material cut to a definite length, having one end processed with a fastening device. The other end is processed to mate with the fastening end. It is intended for the atachment of watches, compasses and depth gauges, The item may be resistant to magnetic forces.
What is a Watchman's Clock Recording Key? 42 Items
A Watchman's Clock Recording Key (KEY,RECORDING,WATCHMAN'S CLOCK) is an item that registers embossed impressions on a type fibre/paper time dial. Impressions are made directly from raised numerals or letters on the item or may require the use of ribbons, carbon, or inking devices for legible impressions.
What is a Time Code Reader? 27 Items
A Time Code Reader (READER,TIME CODE) is a device capable of processing noise-free signals from generators, range time code distribution systems and instrumentation tape reproduces. It is designed to be rack mounted and may include mounting hardware.
What is a Sequential Timer? 785 Items
A Sequential Timer (TIMER,SEQUENTIAL) is an item which actuates included electrical contacts and/or switches in an orderly succession, and at a predetermined interval(s) for the purpose of controlling the operation of another electrical device(s). May have provision for manually establishing an operational sequence or cycle. See also RELAY, MOTOR DRIVEN; TIMER, INTERVAL; KEYER (as modified); CHRONOMETER, MAKE-BREAK CIRCUIT and INTERVALOMETER (as modified).
What is a Time Code Generator? 238 Items
A Time Code Generator (GENERATOR,TIME CODE) is a device specifically designed for use as a central timing device for the purpose of providing time-correlated signals for magnetic tape recorders, oscillographs, strip chart recorders, cameras, digital printers, remote digital displays or direct computer entry. The device may generate various time code formats, contain special features for time comparisons against broadcast time signals and provide visual display in BCD or decimal format.

Stock Items From Supply Class 6645 Stock Items From Supply Class 6645 Page 6 of 33

009626825
TDAB15M230V
RNCC: 3 | RNVC: 2
009626819
SF1M230V
RNCC: 3 | RNVC: 2
009626818
SF5M230V
RNCC: 3 | RNVC: 2
009626820
SF15S230V
RNCC: 3 | RNVC: 2
009615477
31272
RNCC: 3 | RNVC: 2
31272
RNCC: 5 | RNVC: 2
31272
RNCC: 5 | RNVC: 9
009615430
31271
RNCC: 3 | RNVC: 2
31271
RNCC: 5 | RNVC: 2
31271
RNCC: 5 | RNVC: 9
009606591
75959
RNCC: 3 | RNVC: 2
75959
RNCC: 5 | RNVC: 2
75959
RNCC: 5 | RNVC: 9
009606594
BM11
RNCC: 3 | RNVC: 2
BM11
RNCC: 5 | RNVC: 2
BM11
RNCC: 5 | RNVC: 9
009596502
2915
RNCC: 3 | RNVC: 9
009568812
67910-501-11
RNCC: 3 | RNVC: 1
009557997
360905
RNCC: 3 | RNVC: 2
009557873
94650
RNCC: 3 | RNVC: 9
009523767
8565892
RNCC: 3 | RNVC: 9
MIL-W-46374
RNCC: 5 | RNVC: 9
39988
RNCC: 5 | RNVC: 9
009467369
13292
RNCC: 3 | RNVC: 9
009465296
95A5LW
RNCC: 3 | RNVC: 2
95A5LW
RNCC: 5 | RNVC: 9
1784239
RNCC: 5 | RNVC: 9
009451213
A06G1207
RNCC: 3 | RNVC: 2
009422033
155026-000
RNCC: 1 | RNVC: 2
P920-538A
RNCC: 3 | RNVC: 2
009381501
355B429H69
RNCC: 3 | RNVC: 2
305B029A10PX
RNCC: 5 | RNVC: 2
009371685
TD851URC61
RNCC: 3 | RNVC: 2
009313396
327D660G01
RNCC: 3 | RNVC: 2
009312064
2S425
RNCC: 3 | RNVC: 2
009307942
11
RNCC: 3 | RNVC: 2
009307944
50
RNCC: 3 | RNVC: 2
009287209
3906HF
RNCC: 3 | RNVC: 2
H3906CS
RNCC: 3 | RNVC: 2
3906CFPS
RNCC: 5 | RNVC: 2
PM5206H1
RNCC: 5 | RNVC: 2
25-1007386
RNCC: 5 | RNVC: 2
009282865
MST100
RNCC: 3 | RNVC: 2
C1434-1
RNCC: 7 | RNVC: 2
009278735
HP510A6-3F62
RNCC: 3 | RNVC: 9
009252887
D19231
RNCC: 3 | RNVC: 2
95B8S
RNCC: 3 | RNVC: 2
7736476P1
RNCC: 5 | RNVC: 2
7736476
RNCC: 5 | RNVC: 9
009252874
CSF30M
RNCC: 3 | RNVC: 1
CSF30MIN240V60HZ
RNCC: 5 | RNVC: 2
63B42308
RNCC: 5 | RNVC: 2
64B42506
RNCC: 5 | RNVC: 2
72021
RNCC: 5 | RNVC: 9
BR1403-010
RNCC: 5 | RNVC: 9
JHP108-617
RNCC: C | RNVC: 1
009252875
64B42507
RNCC: 1 | RNVC: 2
DA31-002
RNCC: 3 | RNVC: 2
009240369
556-3111-004
RNCC: 3 | RNVC: 2
556-3111-004
RNCC: 5 | RNVC: 9
009198902
832
RNCC: 3 | RNVC: 2
009191608
B15319
RNCC: 3 | RNVC: 2
271M0197P002
RNCC: 5 | RNVC: 2
271M0197P002
RNCC: 5 | RNVC: 9
271M0197P002
RNCC: 5 | RNVC: 9
009183757
STD-410-1-7
RNCC: 3 | RNVC: 2
610-220
RNCC: 5 | RNVC: 2
S60-3H10
RNCC: 5 | RNVC: 2
009172143
119379
RNCC: 3 | RNVC: 2
119379
RNCC: 5 | RNVC: 2
009165615
H3M2394
RNCC: 3 | RNVC: 9
009159397
L24MIL
RNCC: 3 | RNVC: 9
L24
RNCC: 5 | RNVC: 9
L24C-M
RNCC: 5 | RNVC: 9
009154099
TE14-11
RNCC: 3 | RNVC: 2
009142238
9990-9H34
RNCC: 3 | RNVC: 9
009126245
64A7A3-2
RNCC: 3 | RNVC: 2
64A7A3-2
RNCC: 5 | RNVC: 2
009120248
A25A205-004-104
RNCC: 3 | RNVC: 2
A25A205-004-104
RNCC: 5 | RNVC: 9
009080140
MT0018
RNCC: 3 | RNVC: 9
009080139
MT0027
RNCC: 3 | RNVC: 9
009080138
MT0023
RNCC: 3 | RNVC: 9
009080136
680X90
RNCC: 3 | RNVC: 9
009080137
680X89
RNCC: 3 | RNVC: 9
009078243
TYPE30HL1M0D1000
RNCC: 3 | RNVC: 2
009078241
RMT12AR2FDX
RNCC: 3 | RNVC: 2
009069892
35A5D42-27
RNCC: 3 | RNVC: 2
009012470
65727-604-11
RNCC: 3 | RNVC: 1
008991230
GGS764TYPE2CLASS1
RNCC: 4 | RNVC: 1