The Pin,straight,headless, cataloged under National Stock Number 5315-01-273-0855, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-273-0855 |
| Primary Part Number | 227B7321 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Second End Taper Angle | 45.0 DEGREES NOMINAL |
| First End Style | SQUARE INTERNALLY THREADED |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.040 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| Pin Overall Diameter | 0.6267 INCHES MINIMUM AND 0.6269 INCHES MAXIMUM IN |
| Pin Overall Length | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | CHAMFERED |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 227B7321 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5315-01-273-0855 is a Pin,straight,headless, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-273-0855 has 1 manufacturer part number on file: 227B7321 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 227B7321: Surface Treatment Document and Classification: MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Second End Taper Angle: 45.0 DEGREES NOMINAL; First End Style: SQUARE INTERNALLY THREADED; Material Document and Classification: AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.