The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-276-4983, 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 27 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 | 5315-01-276-4983 |
| Primary Part Number | S6135-20699-101 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| First End Taper Length | 0.050 INCHES MAXIMUM IN |
| First Step Diameter | 0.230 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Third Step Diameter | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.369 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Second Step Length | 0.100 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Slot Depth | 0.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Second Step Diameter | 0.257 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.375 INCHES NOMINAL IN |
| Second End Slot Width | 0.064 INCHES NOMINAL IN |
| First Step Length | 0.060 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | SLOT |
| Second End Style | SLOTTED |
| Thread Class | 3A A |
| Material | STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNF |
| Third Step Length | 0.369 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 |
|---|---|
| S6135-20699-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5315-01-276-4983 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 5315-01-276-4983 has 1 manufacturer part number on file: S6135-20699-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6135-20699-101: First End Taper Length: 0.050 INCHES MAXIMUM IN; First Step Diameter: 0.230 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; First End Location: THREADED END; Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 27 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.