The Bolt,machine, cataloged under National Stock Number 5306-00-081-0506, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-081-0506 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Head Height | 0.130 INCHES NOMINAL IN |
| Fastener Length | 1.370 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Thread Length | 1.370 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.105 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DEE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM HEAD |
| Surface Treatment | CADMIUM GRIP |
| Surface Treatment | CHROMIUM THREADS |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.220 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 0.750 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 |
| Reference | Meaning |
|---|---|
| 3-40692-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 3-40692-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 5306-00-081-0506 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5935-00-396-3685. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-081-0506: Surface Finish: 32.0 MICROINCHES GRIP; Head Height: 0.130 INCHES NOMINAL IN; Fastener Length: 1.370 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN. 22 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.