The Pin,grooved,headless, cataloged under National Stock Number 5315-00-731-3175, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-731-3175 |
| Primary Part Number | 7313175 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Undercut Width | 0.122 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Undercut Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| First End Style | SQUARE |
| Hardness Rating | 59.0 ROCKWELL D MINIMUM AND 65.0 ROCKWELL D MAXIMUM OVERALL |
| Style Designator | GROOVE |
| Material Document and Classification | QQ S 631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.191 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Effective Length | 1.835 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL COMP 1095 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7313175 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| A20479 | Fnh Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 7313175 | 5/9 Secondary reference Springfield Armory |
NSN 5315-00-731-3175 is a Pin,grooved,headless, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-731-3175 has 2 manufacturer part numbers on file: 7313175 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), A20479 (Fnh Uk Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5940-01-706-5453, 5365-01-725-7940. Verify interchangeability with system specifications before substitution.
Key specifications for 7313175: Undercut Width: 0.122 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN; Undercut Diameter: 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN; First End Location: BOTH ENDS; First End Style: SQUARE. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.