The Bolt,machine, cataloged under National Stock Number 5306-01-125-8244, 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 | 5306-01-125-8244 |
| Primary Part Number | MBEU-66662-2 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Head Height | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Fastener Length | 1.545 INCHES NOMINAL IN |
| Thread Length | 0.265 INCHES NOMINAL IN |
| Material Document and Classification | S143D,FSCM U1604 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.190 INCHES MINIMUM AND 0.192 INCHES MAXIMUM 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 | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.325 INCHES MINIMUM AND 0.330 INCHES MAXIMUM 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-66662-2 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5306-01-125-8244 is a Bolt,machine, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-125-8244 has 1 manufacturer part number on file: MBEU-66662-2 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU-66662-2: Head Height: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Fastener Length: 1.545 INCHES NOMINAL IN; Thread Length: 0.265 INCHES NOMINAL IN; Material Document and Classification: S143D,FSCM U1604 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 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.