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NSN 4820-01-026-2931, 4820010262931
VALVE,CHECK

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 010262931
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 4820-01-026-2931

National Stock Number (NSN) 4820-01-026-2931, or NIIN 010262931, (valve,check) was assigned August 21, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Sep 29, 2016. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC16M8595. The total value of the awarded contracts has been US$ 500.00.

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 Dec 12, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 4820010262931 contains an unknown precious metal.

This NSN is associated to Schedule B 8481309000: check valves of materials other than copper, iron or steel. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.

This information was last updated on .


Technical Characteristics

CONNECTION STYLE
(AHNC) FLARED (TUBE) 1ST END
CONNECTION STYLE
(AHNC) GASKET SEAL (BOSS) 2ND END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL TUBE 1ST END
CONNECTION TYPE
(AWLS) THREADED INTERNAL BOSS 2ND END
DISK LOADING METHOD
(ADSU) SPRING
FLOW CONTROL DEVICE
(ADQU) POPPET
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) ALUMINUM ALLOY 2024 BODY
MATERIAL
(MATT) ALUMINUM ALLOY 6061 FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE
(CQGM) 60.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 300.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) FUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITION
(BBJX) HORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE
(CQJX) 0.562 INCHES ALL ENDS
SEAT ANGLE
(CQRB) 37.0 DEGREES 1ST END
SPECIAL FEATURES
(FEAT) INLET FLOW FROM BOSS END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) STRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENT
(SFTT) ANODIZE
THREAD CLASS
(AAJD) 3A 1ST END
THREAD CLASS
(AAJD) 3B 2ND END
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) UNJF ALL ENDS
THREAD QUANTITY PER INCH
(CMLP) 18 1ST END
MAXIMUM OPERATING TEMP
(AEHZ) 300.0 DEG FAHRENHEIT SINGLE RESPONSE

Manufacturer Part Numbers


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