The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-077-0771, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Woodward Controls Inc.. Government technical data includes 14 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 | 5315-00-077-0771 |
| Primary Part Number | SE251 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Woodward Controls Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.122 INCHES NOMINAL IN |
| Second Shank Diameter | 0.109 INCHES NOMINAL IN |
| Undercut Width | 0.018 INCHES NOMINAL IN |
| First End Taper Length | 0.093 INCHES NOMINAL IN |
| Undercut Diameter | 0.109 INCHES NOMINAL IN |
| First End Location | CHAMFERED END |
| First End Style | POINTED |
| Shank Length | 0.500 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Second End Relationship with First End | NOT IDENTICAL |
| Shoulder Diameter | 0.185 INCHES NOMINAL IN |
| Second Shank Length | 0.046 INCHES NOMINAL IN |
| Second End Style | SQUARE |
| 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 |
|---|---|
| SE251 PRIMARY | Woodward Controls Inc. (USA) |
NSN 5315-00-077-0771 is a Pin,shoulder,headless, manufactured by Woodward Controls Inc., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-077-0771 has 1 manufacturer part number on file: SE251 (Woodward Controls Inc.).
Key specifications for SE251: Shank Diameter: 0.122 INCHES NOMINAL IN; Second Shank Diameter: 0.109 INCHES NOMINAL IN; Undercut Width: 0.018 INCHES NOMINAL IN; First End Taper Length: 0.093 INCHES NOMINAL IN. 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.