The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-176-8171, 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 12 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 | 5310-00-176-8171 |
| Primary Part Number | 325-8 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Department of the Air Force |
| Status | ACTIVE |
| Nut Height | 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Nominal Thread Size | 0.500 INCHES IN |
| Thread Series | UNF |
| Thread Quantity Per Inch | 20 |
| Material Document and Classification | QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Material | STEEL COMP 1010 OVERALL |
| Width Across Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 325-8 | Department of the Air Force (USA) |
| FFB571TYPEA2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| USAF325-8 | Department of the Air Force (USA) |
NSN 5310-00-176-8171 is a Nut,plain,hexagon, manufactured by Department of the Air Force, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-176-8171 has 3 cross-referenced part numbers: 325-8 (Department of the Air Force), FFB571TYPEA2 (Federal Specifications Promulgated by General Services Administration Washington DC), USAF325-8 (Department of the Air Force).
There are 12 known substitutes for 5310-00-176-8171: 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 325-8: Nut Height: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Thread Class: 2B; Bearing Surface Type: CHAMFERED OR WASHER FACED. 12 total characteristics are documented in the Federal Logistics Information System.