The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-166-6493, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 11 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 | 5315-00-166-6493 |
| Primary Part Number | 503 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| First End Style | SQUARE |
| Hardness Rating | 89.0 ROCKWELL SUPERFICIAL 15-N NOMINAL OVERALL |
| Shank Length | 0.156 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-6709,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | IDENTICAL |
| Features Provided | CASEHARDENED |
| Shoulder Diameter | 0.3014 INCHES MINIMUM AND 0.3020 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 503 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5315-00-166-6493 is a Pin,shoulder,headless, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-166-6493 has 1 manufacturer part number on file: 503 (Triumph Engine Control Systems Llc).
Key specifications for 503: Shank Diameter: 0.125 INCHES NOMINAL IN; First End Location: BOTH ENDS; First End Style: SQUARE; Hardness Rating: 89.0 ROCKWELL SUPERFICIAL 15-N NOMINAL OVERALL. 11 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.