NSN 5120-00-646-7576, 5120006467576
TOOL,AIR CHECK VALVE

Federal Supply Classification: FSC 5120 - Hand Tools, Nonedged, Nonpowered
National Item Identification Number: NIIN 006467576
Codification Country: United States
Item Name Code: INC 77777
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.

Availability: In Stock Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5120-00-646-7576

National Stock Number (NSN) 5120-00-646-7576, or NIIN 006467576, (tool,air check valve) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

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

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 77777. 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 5120006467576 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) STEEL; TEE HANDLE; FIXED HANDLE 3/8 IN. DIA. BY 5-3/4 IN. POM 1/8 IN LG; TOOL BODY 25/32 IN DIA. BY 7-3/4 IN POM 1/4 IN LG. WORKING END. WORKING END OF BODY SHALL HAVE FLAT DRIVING MEMBER CENTERED ON BODY DIA. MEMBER SHALL BE 1/8 IN LG,1/2 IN. WIDE,.086 IN.THICK. THE MEMBER SHALL TAPER EQUALLY ONBOTH SIDES FROM 1/8 IN AT THE BASE TO 7/16 IN AT THE END,DIMENSIONAL TOLERANCE OF .005 ON IS ACCEPTABLE. WORKING END OF TOOL AND 1-3/4 IN. THEREFROM SHALL BE CASE HARDENED TO A MINIMUM DEPTH OF .005 IN.,NO SHARP EDGES. TOOL SHALL BE FREE OF RUST,PITS,BURRS,FRACTURES OR OTHER DEFECTS