The Bolt,machine, cataloged under National Stock Number 5306-00-248-9406, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerol Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-248-9406 |
| Primary Part Number | 51855 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Aerol Llc |
| Status | ACTIVE |
| Thread Quantity Per Inch | 24 |
| Head Style | HEXAGON |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Thread Series Designator | UNF |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Width Between Flats | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.940 INCHES NOMINAL IN |
| Head Height | 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Thread Length | 0.370 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Fastener Length | 1.310 INCHES NOMINAL IN |
| Features Provided | CASEHARDENED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5340002489406 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 51855 PRIMARY | Aerol Llc (USA) |
NSN 5306-00-248-9406 is a Bolt,machine, manufactured by Aerol Llc, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-248-9406 has 2 cross-referenced part numbers: 5340002489406 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 51855 (Aerol Llc).
There are 7 known substitutes for 5306-00-248-9406: 5360-00-597-8320, 5940-00-913-8093, 3120-00-928-6294 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 51855: Thread Quantity Per Inch: 24; Head Style: HEXAGON; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Thread Series Designator: UNF. 15 total characteristics are documented in the Federal Logistics Information System.