The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-208-0634, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-208-0634 |
| Primary Part Number | FFB571TYPEA6 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 20 |
| Bearing Surface Type | CHAMFERED |
| Nut Height | 0.156 INCHES NOMINAL IN |
| Thread Class | 2B |
| Nondefinitive Spec/std Data | A6 TYPE |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Direction | RIGHT-HAND |
| Nut Style | HEXAGON |
| Width Across Flats | 0.437 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFB571TYPEA6 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5310-00-208-0634 is a Nut,plain,hexagon, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-208-0634 has 1 cross-referenced part number: FFB571TYPEA6 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 9 known substitutes for 5310-00-208-0634: 5310-00-266-0341, 5310-00-266-0342, 5310-00-266-0343 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFB571TYPEA6: Nominal Thread Size: 0.250 INCHES IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 20; Bearing Surface Type: CHAMFERED. 13 total characteristics are documented in the Federal Logistics Information System.