The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-273-0856, 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 17 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 | 5315-01-273-0856 |
| Primary Part Number | 176C2254 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Shank Diameter | 0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Undercut Width | 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| First End Location | ROUND END |
| Surface Treatment Document and Classification | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | ROUND |
| Shank Length | 0.625 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Second Undercut Width | 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN |
| Second Shank Length | 0.078 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Second End Style | SQUARE |
| Material | ALUMINUM ALLOY 6061 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 |
|---|---|
| 176C2254 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5315-01-273-0856 is a Pin,shoulder,headless, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-273-0856 has 1 manufacturer part number on file: 176C2254 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 176C2254: Shank Diameter: 0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN; Second Shank Diameter: 0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN; Surface Finish: 125.0 MICROINCHES OVERALL; Undercut Width: 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN. 17 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.