The Bolt,machine, cataloged under National Stock Number 5306-01-125-7514, 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 15 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 | 5306-01-125-7514 |
| Primary Part Number | MBEU-65546 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Extended Washer Thickness | 0.093 INCHES NOMINAL IN |
| Head Height | 0.170 INCHES NOMINAL IN |
| Fastener Length | 3.330 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.625 INCHES NOMINAL IN |
| Thread Length | 0.390 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SQUARE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.250 INCHES NOMINAL IN |
| Askewed Head Angle | 90.0 DEGREES NOMINAL |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| 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-65546 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5306-01-125-7514 is a Bolt,machine, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-125-7514 has 1 manufacturer part number on file: MBEU-65546 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU-65546: Extended Washer Thickness: 0.093 INCHES NOMINAL IN; Head Height: 0.170 INCHES NOMINAL IN; Fastener Length: 3.330 INCHES NOMINAL IN; Extended Washer Diameter: 0.625 INCHES NOMINAL IN. 15 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.