The Bolt,machine, cataloged under National Stock Number 5306-00-281-8920, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-281-8920 |
| Primary Part Number | 65-4-5 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Department of the Air Force |
| Status | ACTIVE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 20 |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.562 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Head Style | HEXAGON |
| Minimum Tensile Strength | 48000 POUNDS PER SQUARE INCH LBS |
| Features Provided | FINISHED HEAD |
| Head Height | 0.172 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Grip Length | 0.062 INCHES NOMINAL IN |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 65-4-5 | Department of the Air Force (USA) |
NSN 5306-00-281-8920 is a Bolt,machine, manufactured by Department of the Air Force, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-281-8920 has 1 cross-referenced part number: 65-4-5 (Department of the Air Force).
There are 9 known substitutes for 5306-00-281-8920: 2540-00-122-4730, 5935-00-300-9909, 4310-00-375-2543 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 65-4-5: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 20; Width Between Flats: 0.375 INCHES NOMINAL IN; Thread Length: 0.562 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.