The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-129-3554, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 12 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 | 5315-01-129-3554 |
| Primary Part Number | MBEU-66542 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Shank Diameter | 0.092 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.092 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Surface Finish | 250.0 MICROINCHES OVERALL |
| First End Location | BOTH ENDS |
| First End Style | SQUARE |
| Shank Length | 0.062 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.111 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN |
| Second Shank Length | 0.062 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| MBEU-66542 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5315-01-129-3554 is a Pin,shoulder,headless, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-129-3554 has 1 manufacturer part number on file: MBEU-66542 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU-66542: Shank Diameter: 0.092 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Second Shank Diameter: 0.092 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Surface Finish: 250.0 MICROINCHES OVERALL; First End Location: BOTH ENDS. 12 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.