The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-129-4625, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Aircraft Braking Systems Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-129-4625 |
| Primary Part Number | 5003978 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES NOMINAL IN |
| Second Shank Diameter | 0.125 INCHES NOMINAL IN |
| First End Location | SQUARE END |
| First End Style | SQUARE |
| Shank Length | 0.643 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.190 INCHES NOMINAL IN |
| Second Shank Length | 0.643 INCHES NOMINAL 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 |
|---|---|
| 5003978 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| 5003978 | National Machine Company Dba Nmg Aerospace (USA) |
| 139-17800 PRIMARY | Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems (USA) |
| Reference | Meaning |
|---|---|
| 5003978 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
| 5315-UH60-001 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5315-01-129-4625 is a Pin,shoulder,headless, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-129-4625 has 3 manufacturer part numbers on file: 5003978 (Meggitt Aircraft Braking Systems Corporation), 5003978 (National Machine Company Dba Nmg Aerospace), 139-17800 (Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems).
Key specifications for 5003978: Shank Diameter: 0.125 INCHES NOMINAL IN; Second Shank Diameter: 0.125 INCHES NOMINAL IN; First End Location: SQUARE END; First End Style: SQUARE. 10 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.