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NSN 4820-00-262-8757, 4820002628757
VALVE,CHECK

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 002628757
Codification Country
United States
Item Name Code
INC 05487
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 4820-00-262-8757

National Stock Number (NSN) 4820-00-262-8757, or NIIN 002628757, (valve,check) was assigned July 13, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 6 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 05487. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820002628757 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE
(AHNC) PLAIN, OPTIONAL END (PIPE) ALL ENDS
DISK LOADING METHOD
(ADSU) SPRING
FLOW CONTROL DEVICE
(ADQU) POPPET
MATERIAL
(MATT) COPPER ALLOY OVERALL
MOUNTING POSITION
(BBJX) VERTICAL
NOMINAL THREAD SIZE
(CQJX) 0.500 INCHES ALL ENDS
STYLE DESIGNATOR
(STYL) STRAIGHT THRU
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC

Manufacturer Part Numbers

0053720

RNCC
3
RNVC
2
100352

RNCC
3
RNVC
2
100353

RNCC
5
RNVC
2
100354

RNCC
5
RNVC
2
100538

RNCC
5
RNVC
2
200537

RNCC
5
RNVC
9

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