NSN 5315-00-721-8194, 5315007218194
PIN,SPRING

Federal Supply Classification: FSC 5315 - Nails, Machine Keys, and Pins
National Item Identification Number: NIIN 007218194
Codification Country: United States
Item Name Code: INC 02389
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 5315-00-721-8194

National Stock Number (NSN) 5315-00-721-8194, or NIIN 007218194, (pin,spring) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN. 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.

This NSN is assigned to Item Name Code (INC) 02389. [A TUBULAR ITEM, SO FORMED AS TO PROVIDE A SPRING ACTION AGAINST THE INSIDE WALL OF A HOLE WHEN DRIVEN INTO ABUTTING PIECES TO POSITION AND HOLD THEM IN PLACE.]. 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 5315007218194 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

MATERIAL: (MATT) STEEL OVERALL
DIAMETER: (ABMZ) 0.375 INCHES NOMINAL
EXPANDED DIAMETER: (ABPY) 0.391 INCHES MINIMUM AND 0.407 INCHES MAXIMUM
OVERALL LENGTH: (ABHP) 1.000 INCHES NOMINAL
MATERIAL: (MATT) UNABLE TO DECODE
NONDEFINITIVE SPEC/STD DATA: (ZZZT) 2 TYPE AND 1 CLASS AND A COMPOSITION
STYLE DESIGNATOR: (STYL) COILED
SURFACE TREATMENT: (SFTT) UNABLE TO DECODE
SURFACE TREATMENT: (SFTT) PHOSPHATE OVERALL
HARDNESS RATING: (CQFM) 40.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL