The Bolt,machine, cataloged under National Stock Number 5306-00-810-4229, 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 16 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 | 5306-00-810-4229 |
| Primary Part Number | MBEU86F5 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Head Height | 0.130 INCHES NOMINAL IN |
| Fastener Length | 4.540 INCHES MINIMUM AND 4.570 INCHES MAXIMUM IN |
| Thread Length | 0.400 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.067 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.140 INCHES MINIMUM AND 4.170 INCHES MAXIMUM IN |
| Width Between Flats | 0.431 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 4.410 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| MBEU86F5 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5306-00-810-4229 is a Bolt,machine, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-810-4229 has 1 manufacturer part number on file: MBEU86F5 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU86F5: Head Height: 0.130 INCHES NOMINAL IN; Fastener Length: 4.540 INCHES MINIMUM AND 4.570 INCHES MAXIMUM IN; Thread Length: 0.400 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.067 INCHES NOMINAL FIRST HOLE IN. 16 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.