The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-176-8090, 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 | 5310-00-176-8090 |
| Primary Part Number | 330-18 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Department of the Air Force |
| Status | ACTIVE |
| Width Across Flats | 1.687 INCHES NOMINAL IN |
| Nominal Thread Size | 1.125 INCHES IN |
| Thread Series | UNF |
| Material | STEEL OVERALL |
| Surface Treatment | CADMIUM AND ZINC OVERALL |
| Nondefinitive Spec/std Data | A TYPE AND 4 GRADE |
| Nut Height | 1.173 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 12 |
| Nut Style | CASTELLATED, HEXAGON |
| Thread Direction | RIGHT-HAND |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Thread Class | 2B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 330-18 | Department of the Air Force (USA) |
| FFB571TYPEA4 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| USAF330-18 | Department of the Air Force (USA) |
NSN 5310-00-176-8090 is a Nut,plain,castellated,hexagon, manufactured by Department of the Air Force, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-176-8090 has 3 cross-referenced part numbers: 330-18 (Department of the Air Force), FFB571TYPEA4 (Federal Specifications Promulgated by General Services Administration Washington DC), USAF330-18 (Department of the Air Force).
There are 12 known substitutes for 5310-00-176-8090: 5310-00-042-7132, 5310-00-176-7897, 5310-00-176-7898 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 330-18: Width Across Flats: 1.687 INCHES NOMINAL IN; Nominal Thread Size: 1.125 INCHES IN; Thread Series: UNF; Material: STEEL OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.