The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-403-7731, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-403-7731 |
| Primary Part Number | 202961 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| Status | ACTIVE |
| Width Across Flats | 0.438 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | BW-101B-P,FSCM 06853 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | BW-278-M GRADE 2,FSCM 06853 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.156 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 69466 | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
| 202961 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| Reference | Meaning |
|---|---|
| 10510326 | 7/2 Vendor item drawing reference General Dynamics Land Systems Canadacorp |
NSN 5310-00-403-7731 is a Nut,plain,hexagon, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-403-7731 has 2 manufacturer part numbers on file: 69466 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 202961 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).
5 possible matches (shared part number, not a government interchangeability claim): 1650-00-704-8407, 5330-00-910-8736, 5305-01-077-9725. Verify interchangeability with system specifications before substitution.
Key specifications for 202961: Width Across Flats: 0.438 INCHES NOMINAL IN; Surface Treatment Document and Classification: BW-101B-P,FSCM 06853 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: BW-278-M GRADE 2,FSCM 06853 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.