The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-303-1027, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-303-1027 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Finish | 32.0 MICROINCHES SHOULDER OUTSIDE DIAMETER |
| First End Location | BOTH ENDS |
| Surface Treatment Document and Classification | QQ-C-320,CLASS 1 GRADE A AND CLASS 2D FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | RADIUS |
| Shank Length | 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-8844,300M CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.7320 INCHES MINIMUM AND 0.7325 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL AND CHROMIUM OVERALL |
| Material | STEEL OVERALL |
| First End Corner Radius | 0.040 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 |
| Reference | Meaning |
|---|---|
| 116037-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-303-1027 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-303-1027: Shank Diameter: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Surface Finish: 32.0 MICROINCHES SHOULDER OUTSIDE DIAMETER; First End Location: BOTH ENDS; Surface Treatment Document and Classification: QQ-C-320,CLASS 1 GRADE A AND CLASS 2D FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 13 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.