The Bolt,machine, cataloged under National Stock Number 5306-01-034-4124, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 14 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 | 5306-01-034-4124 |
| Primary Part Number | 272S2000078-1 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Head Height | 0.203 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Fastener Length | 2.688 INCHES MINIMUM AND 2.733 INCHES MAXIMUM IN |
| Thread Length | 2.663 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.104 INCHES MINIMUM AND 0.109 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.047 INCHES MINIMUM AND 2.077 INCHES MAXIMUM IN |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.106 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 |
|---|---|
| 272S2000078-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5306-01-034-4124 is a Bolt,machine, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-034-4124 has 1 manufacturer part number on file: 272S2000078-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 272S2000078-1: Head Height: 0.203 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN; Fastener Length: 2.688 INCHES MINIMUM AND 2.733 INCHES MAXIMUM IN; Thread Length: 2.663 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.104 INCHES MINIMUM AND 0.109 INCHES MAXIMUM FIRST HOLE IN. 14 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.