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4820-00-891-4178

Check Valve

4820008914178 008914178 481-1-4D1-2

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design. View more Check Valve

4820-00-891-4178 VALVE,CHECK 4820008914178 008914178

Managed by United States
NSN Created on 20 Jan 1967
Data Last Changed
January 2023
NATO Update Count
11
NATO Data Quality
STYL Style A6 for 4820-00-891-4178 1/1
NSN 4820-00-891-4178 (Identification) 1/1

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4820-00-891-4178 Demil Restrictions 4820-00-891-4178

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

4820-00-891-4178 is a Check Valve 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. The precious metals content of this item is unknown.

4820-00-891-4178 HTS and ScheduleB Import and Export 4820-00-891-4178

4820-00-891-4178 End Users End Users 4820-00-891-4178

Italy (ZR01)
Effective Date:
1 Apr 1991

4820-00-891-4178 Manufacturers Approved Sources 4820-00-891-4178

4820-00-891-4178 Technical Data Datasheet 4820-00-891-4178

Characteristic
Specifications
FIIG
A530B0
Connection Style [AHNC]
Plain (Pipe) 2Nd End
Connection Style [AHNC]
Plain, Optional End (Pipe) 1St End
Connection Type [AWLS]
Threaded External Pipe 2Nd End
Connection Type [AWLS]
Threaded Internal Pipe 1St End
Disk Loading Method [ADSU]
Spring
Flow Control Device [ADQU]
Poppet
Material [MATT]
Aluminum Alloy Body
Material [MATT]
Aluminum Alloy Flow Control Device
Material [MATT]
Aluminum Alloy Seat
Maximum Operating Pressure [CQGM]
3000.0 Pounds Per Square Inch Single Response
Maximum Operating Temp [AEHZ]
200.0 Deg Fahrenheit Single Response
Media For Which Designed [MEDA]
Water-Oil-Gas Single Response
Mounting Position [BBJX]
Horizontal Or Vertical
Nominal Pipe Size Accommodated [AAAR]
0.250 Inches 1St End
Nominal Pipe Size Accommodated [AAAR]
0.250 Inches 2Nd End
Nominal Thread Size [CQJX]
0.250 Inches 1St End
Nominal Thread Size [CQJX]
0.250 Inches 2Nd End
Valve Operation Method [AQLR]
Automatic
Style Designator [STYL]
Straight Thru
Thread Direction [AAJF]
Right-Hand 1St End
Thread Direction [AAJF]
Right-Hand 2Nd End
Thread Series Designator [THSD]
Npt 1St End
Thread Series Designator [THSD]
Npt 2Nd End
Thread Quantity Per Inch [CMLP]
18 1St End
Thread Quantity Per Inch [CMLP]
18 2Nd End

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4820-00-891-4178 Freight Data Freight Information 4820-00-891-4178

4820-00-891-4178 has freight characteristics managed by Germany.It has a National Motor Freight Classification (NMFC) of 127220. A Sub NMFC of X. It has a NMFC Description of PRESSURE REG/RED/RELIEF VALVES NOI. 4820-00-891-4178 is rated as class 77.5 when transported by Less-Than Truckload (LTL) freight. 4820-00-891-4178 is rated as class 77.5 when transported by Less-Than Carload (LCL) rail or ocean freight. It has a Uniform Freight Classification (UFC) number of 64490 which rates the freight between FCL and LCL. It has a Water Commodity Code (WCC) of 594 for ocean manifesting and military sealift. 4820-00-891-4178 is not classified as a special type of cargo when transported by water. 4820-00-891-4178 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.