The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-021-8551, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 5310-00-021-8551 |
| Primary Part Number | FFN836GPCTYPE2STYLE1GRADEA |
| 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 |
| Thread Quantity Per Inch | 40 |
| Nominal Thread Size | 0.125 INCHES IN |
| Bearing Surface Type | FLAT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Style | HEXAGON |
| Material | STEEL OVERALL |
| Nondefinitive Spec/std Data | C GROUP AND 2 TYPE AND 1 STYLE AND A GRADE |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.3020 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Thread Class | 2B |
| Nut Height | 0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFN836GPCTYPE2STYLE1GRADEA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 218551 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 218551 | General Motors Corp (USA) |
NSN 5310-00-021-8551 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 5310-00-021-8551 has 3 cross-referenced part numbers: FFN836GPCTYPE2STYLE1GRADEA (Federal Specifications Promulgated by General Services Administration Washington DC), 218551 (Army Weapons Command Attn Amswe-Ree-S), 218551 (General Motors Corp).
There are 12 known substitutes for 5310-00-021-8551: 5310-00-010-3089, 5310-00-011-0921, 5310-00-011-0922 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFN836GPCTYPE2STYLE1GRADEA: Thread Quantity Per Inch: 40; Nominal Thread Size: 0.125 INCHES IN; Bearing Surface Type: FLAT; Thread Series: UNIFIED NATIONAL COARSE (UNC). 11 total characteristics are documented in the Federal Logistics Information System.