The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-176-8149, is classified within Federal Supply Class 5310 (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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-176-8149 |
| Primary Part Number | 325B7 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Department of the Air Force |
| Status | ACTIVE |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Size | 0.438 INCHES IN |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Thread Series | UNF |
| Material | COPPER ALLOY OVERALL |
| Nut Height | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Thread Class | 2B |
| Width Across Flats | 0.675 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | A2 TYPE |
| Nut Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 325B7 | Department of the Air Force (USA) |
| FFB571TYPEA2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| USAF325B7 | Department of the Air Force (USA) |
NSN 5310-00-176-8149 is a Nut,plain,hexagon, manufactured by Department of the Air Force, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-176-8149 has 3 cross-referenced part numbers: 325B7 (Department of the Air Force), FFB571TYPEA2 (Federal Specifications Promulgated by General Services Administration Washington DC), USAF325B7 (Department of the Air Force).
There are 12 known substitutes for 5310-00-176-8149: 5310-00-057-1242, 5310-00-079-5995, 5310-00-141-3033 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 325B7: Thread Quantity Per Inch: 20; Nominal Thread Size: 0.438 INCHES IN; Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Series: UNF. 11 total characteristics are documented in the Federal Logistics Information System.