The Bolt,shoulder, cataloged under National Stock Number 5306-01-129-8097, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 13 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 | 5306-01-129-8097 |
| Primary Part Number | MBEU-66986 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Head Height | 0.060 INCHES NOMINAL IN |
| Fastener Length | 0.490 INCHES NOMINAL IN |
| Shoulder Length | 0.285 INCHES MINIMUM AND 0.290 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.380 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 |
|---|---|
| MBEU-66986 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5306-01-129-8097 is a Bolt,shoulder, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-129-8097 has 1 manufacturer part number on file: MBEU-66986 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU-66986: Head Height: 0.060 INCHES NOMINAL IN; Fastener Length: 0.490 INCHES NOMINAL IN; Shoulder Length: 0.285 INCHES MINIMUM AND 0.290 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM FIRST SHOULDER IN. 13 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.