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1240-00-344-7639

Optical Element Retaining Ring

1240003447639 003447639 1040234 73655

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see RETAINER, OPTICAL ELEMENT. Excludes CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; and RING, RETAINING. View more Optical Element Retaining Ring

1240-00-344-7639 RING,RETAINING,OPTICAL ELEMENT 1240003447639 003447639

Managed by United States
NSN Created on 1 Jan 1963
Data Last Changed
May 2023
NATO Update Count
19
NATO Data Quality
1240-00-344-7639 RING,RETAINING,OPTICAL ELEMENT 1240003447639 003447639 1/1
NSN 1240-00-344-7639 (Generic Image) 1/1

1240-00-344-7639 Stock and Availability Marketplace 1240-00-344-7639

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1040234 73655 A cylindrical item having an internally flanged diameter designed to retain a lens or
United States (US) 4. 1240-00-344-7639 Marketplace Restrictions Approved Sources Datasheet Management
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JavaScript in your web browser . 5365-14-295-4890Externally Threaded Ring5365142954890 142954890 A70-73655
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Optical Element Retaining Ring 1240003447639 Control Unit 6605015326980 73655IP-1746/WSN-7A (73655
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1240-00-344-7639 Demil Restrictions 1240-00-344-7639

DEMIL: A | DEMILI: | CRITICALITY: X | HMIC: N | PMIC: A | EDC: | ADPEC: 0

1240-00-344-7639 is a Optical Element Retaining Ring that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item is not suspected to be hazardous. This item does not contain a precious metal.

1240-00-344-7639 HTS and ScheduleB Import and Export 1240-00-344-7639

1240-00-344-7639 End Users End Users 1240-00-344-7639

Canada (ZC01)
Effective Date:
1 Apr 1991

1240-00-344-7639 Manufacturers Approved Sources 1240-00-344-7639

1240-00-344-7639 Technical Data Datasheet 1240-00-344-7639

Characteristic
Specifications
FIIG
T271-J
Aperture Diameter [ABVL]
0.548 Inches Nominal
Material [MATT]
Steel
Outside Diameter [ABKV]
0.695 Inches Nominal
Internal Flange Thickness [BMTL]
0.031 Inches Nominal
Screw Thread Series Designator [AJYP]
Uns
Overall Length [ABHP]
0.125 Inches Nominal
Thread Pitch Diameters [AAJE]
+0.6747 To 0.6950 Inches
Thread Length [ABET]
0.094 Inches
Thread Location [APJC]
External
Thread Size [ABUJ]
17/32-32
Thread Class [AAJD]
3A
Thread Direction [AAJF]
Right-Hand

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1240-00-344-7639 Freight Data Freight Information 1240-00-344-7639

1240-00-344-7639 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 095190. A Sub NMFC of J. It has a NMFC Description of HARDWARE, NOI SUB 9. 1240-00-344-7639 is rated as class 70 when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 49790 which rates the freight between FCL and LCL. 1240-00-344-7639 has a variance between NMFC and UFC when transported by rail and the description should be consulted. It has a Water Commodity Code (WCC) of 72D for ocean manifesting and military sealift. 1240-00-344-7639 is not classified as a special type of cargo when transported by water. 1240-00-344-7639 is not a consolidation and does not exceed 84" in any dimension. It should be compatible with a standard 72" Aircraft Cargo Door when transported by air.

1240-00-344-7639 Packaging Data Packaging Data 1240-00-344-7639

Responsible Activity
Packaging Data Source
Primary Inventory Control Activity (PICA)
--

Item Pack Level (Unpackaged)

Item Size
Item Weight
Characteristics
Weight/Dimensions Category
Fragility
Item Preservation
--
--
Electrical Instrument
Over 10lb
Less than 85G
No Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying
--
--
--
--
Physical Protection
Any Suitable Process
Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking
No Requirement
No Requirement
No Requirement
Not Applicable
Bags made of material conforming to MIL-P-130, MIL-DTL-17667, MIL-PRF-121, or any material authorized by MIL-DTL-117. Closure may be by staples, tape, adhesive or heat seal
No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container
PPP-B-566, PPP-B-676, or ASTM-D5118, Folding, Setup or Fiberboard Box