The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-439-3753, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Austin-Westran Llc. Government technical data includes 7 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-439-3753 |
| Primary Part Number | 203841 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Austin-Westran Llc |
| Status | ACTIVE |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | ZINC ALLOY 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 |
NSN 5310-01-439-3753 is a Nut,plain,hexagon, manufactured by Austin-Westran Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-439-3753 has 2 manufacturer part numbers on file: 203841 (Kysor Europe Ltd), 203841 (Austin-Westran Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-567-2475. Verify interchangeability with system specifications before substitution.
Key specifications for 203841: Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.750 INCHES IN; Thread Class: 2B. 7 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.