The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-021-8440, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-021-8440 |
| Primary Part Number | P1031 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 13 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.500 INCHES IN |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Material | STEEL OVERALL |
| Material Document and Classification | QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Class | 2B |
| Nondefinitive Spec/std Data | A TYPE |
| Nut Style | HEXAGON |
| Nut Height | 0.296 INCHES NOMINAL IN |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| P1031 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| P1031 | Fmc Corp (USA) |
| 218440 | General Motors Llc Dba General Motors Llc (USA) |
| MILB857TYPEA | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 218440 | General Motors Corp (USA) |
| 3109207 | Gerstenlager Co the (USA) |
| 0910935 PRIMARY | Agco Corp Parts Opn (USA) |
| 6X2 1-2 | Kaitlin Corp (USA) |
| 910935 | Allis-Chalmers Corp (USA) |
NSN 5310-00-021-8440 is a Nut,plain,hexagon, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-021-8440 has 9 cross-referenced part numbers: P1031 (Bae Systems Land & Armaments L.p.), P1031 (Fmc Corp), 218440 (General Motors Llc Dba General Motors Llc), MILB857TYPEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 218440 (General Motors Corp) and 4 more.
There are 6 known substitutes for 5310-00-021-8440: 5305-00-121-3484, 6210-00-500-3799, 5340-00-785-4016 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for P1031: Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 13; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.500 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.