The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-266-0349, 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 12 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 | 5310-00-266-0349 |
| 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 |
| Width Across Flats | 1.875 INCHES NOMINAL IN |
| Thread Series | UNF |
| Thread Quantity Per Inch | 12 |
| Bearing Surface Type | CHAMFERED |
| Nominal Thread Size | 1.250 INCHES IN |
| Material | STEEL OVERALL |
| Nondefinitive Spec/std Data | A6 TYPE |
| Material Document and Classification | FF-B-571,CL C FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Nut Height | 0.719 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFB571TYPEA6 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5310-00-266-0349 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 5310-00-266-0349 has 1 cross-referenced part number: FFB571TYPEA6 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 9 known substitutes for 5310-00-266-0349: 5310-00-208-0634, 5310-00-266-0341, 5310-00-266-0342 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFB571TYPEA6: Width Across Flats: 1.875 INCHES NOMINAL IN; Thread Series: UNF; Thread Quantity Per Inch: 12; Bearing Surface Type: CHAMFERED. 12 total characteristics are documented in the Federal Logistics Information System.