The Pin,straight,headless, cataloged under National Stock Number 5315-01-322-5123, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-322-5123 |
| Primary Part Number | 5191571 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Taper Length | 0.050 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.1260 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pin Overall Diameter | 0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Pin Overall Length | 1.500 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | SQUARE |
| Material | STEEL COMP XM-12 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5315-01-322-5123 is a Pin,straight,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-322-5123 has 2 manufacturer part numbers on file: 5191571 (Naval Sea Systems Command), 5191571 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 5191571: First End Taper Length: 0.050 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Arrangement Style: ONE END DRILLED; First End Style: CHAMFERED. 14 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.