The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-411-9057, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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 | 5315-01-411-9057 |
| Primary Part Number | 70751-02021-117 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Shank Diameter | 0.207 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| First End Location | SHANK END |
| Surface Treatment Document and Classification | QQ-P-416, TY2, TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | SQUARE |
| First Hole Diameter | 0.067 INCHES NOMINAL IN |
| Shank Length | 1.293 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.528 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 4340 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7051-02021-117 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 70751-02021-117 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5315-01-411-9057 is a Pin,shoulder,headless, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-411-9057 has 2 manufacturer part numbers on file: 7051-02021-117 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70751-02021-117 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70751-02021-117: Shank Diameter: 0.207 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; First End Location: SHANK END; Surface Treatment Document and Classification: QQ-P-416, TY2, TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Arrangement Style: ONE END DRILLED. 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.