The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-176-7900, 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 | 5310-00-176-7900 |
| Primary Part Number | 330-7 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Department of the Air Force |
| Status | ACTIVE |
| Nut Style | CASTELLATED, HEXAGON |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Material | STEEL OVERALL |
| Surface Treatment | CADMIUM AND ZINC OVERALL |
| Nut Height | 0.462 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | A4 TYPE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Series | UNF |
| Thread Quantity Per Inch | 20 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 330-7 | Department of the Air Force (USA) |
| USAF330-7 | Department of the Air Force (USA) |
| FFB571TYPEA4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-00-176-7900 is a Nut,plain,castellated,hexagon, manufactured by Department of the Air Force, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-176-7900 has 3 cross-referenced part numbers: 330-7 (Department of the Air Force), USAF330-7 (Department of the Air Force), FFB571TYPEA4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5310-00-176-7900: 5310-00-042-7132, 3110-00-100-5838, 5310-00-176-7897 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 330-7: Nut Style: CASTELLATED, HEXAGON; Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.438 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.