NSN 5315-00-531-2140, 5315005312140
PIN,SHOULDER,HEADLESS

Federal Supply Classification: FSC 5315 - Nails, Machine Keys, and Pins
National Item Identification Number: NIIN 005312140
Codification Country: United States
Item Name Code: INC 16749
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: Readily Available Qualified Suppliers: We have 1 qualified suppliers

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DLMS^® Summary

National Stock Number 5315-00-531-2140

National Stock Number (NSN) 5315-00-531-2140, or NIIN 005312140, (pin,shoulder,headless) 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 is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

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

This NSN is assigned to Item Name Code (INC) 16749. [A CYLINDRICALLY-SHAPED HEADLESS ITEM, HAVING A SHANK AT ONE OR BOTH ENDS. IT IS USED FOR ALIGNING, FASTENING, OR TRANSFER OF TORQUE AND/OR THRUST BY FITTING INTO CORRESPONDING HOLES OF ANOTHER ITEM. IT MAY BE THREADED ON ONE END.]. 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 5315005312140 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

SURFACE TREATMENT: (SFTT) UNABLE TO DECODE
MATERIAL: (MATT) UNABLE TO DECODE
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: (ABRE) 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
FIRST END STYLE: (AAGZ) CHAMFERED
FIRST END LOCATION: (CRDY) SHANK END
FIRST HOLE DIAMETER: (ABRC) 0.1825 INCHES MINIMUM AND 0.1840 INCHES MAXIMUM
FIRST END TAPER ANGLE: (CRMG) 45.0 DEGREES NOMINAL
FIRST END TAPER LENGTH: (AMCS) 0.031 INCHES NOMINAL
HOLE ARRANGEMENT STYLE: (ABRB) ONE END DRILLED
OVERALL LENGTH: (ABHP) 3.547 INCHES MINIMUM AND 3.578 INCHES MAXIMUM
MATERIAL: (MATT) STEEL OVERALL
SECOND END STYLE: (AAHP) CHAMFERED
SECOND END TAPER ANGLE: (CTHC) 30.0 DEGREES NOMINAL
SECOND END TAPER LENGTH: (AMFM) 0.250 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) NOT IDENTICAL
SHANK DIAMETER: (AAZE) 0.3695 INCHES MINIMUM AND 0.3715 INCHES MAXIMUM
SHANK LENGTH: (AATR) 2.109 INCHES MINIMUM AND 2.141 INCHES MAXIMUM
SHOULDER DIAMETER: (AAVH) 0.557 INCHES MINIMUM AND 0.559 INCHES MAXIMUM
STYLE DESIGNATOR: (STYL) SHOULDER
SURFACE TREATMENT: (SFTT) PHOSPHATE OVERALL