The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-208-4038, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-208-4038 |
| Primary Part Number | 1JA2948H16 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| Status | CANCELLED |
| Width Across Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Temp Rating | 500.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL NONMETALLIC DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 303 OVERALL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1JA2948H16 PRIMARY | Westinghouse Electric Corp (USA) |
| 195082-1 PRIMARY | Raytheon Company (USA) |
| 185751 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| 69863-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 79NE048 PRIMARY | Esna, Llc (USA) |
| 1068365-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 9175747 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 79NE048 | 5/9 Secondary reference Harvard Industries Inc |
| 8200192-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 1068365-1 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| 1JA2948H16 | 3/2 Design control — primary reference U.S. Government activity |
| 0102-012 | 3/2 Design control — primary reference U.S. Government activity |
| CP10-3-2-4 | 5/9 Secondary reference Union Thermoelectric Corp |
| 75NE048 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-208-4038 is a Nut,self-Locking,hexagon, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-208-4038 has 7 manufacturer part numbers on file: 1JA2948H16 (Westinghouse Electric Corp), 195082-1 (Raytheon Company), 185751 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 69863-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 79NE048 (Esna, Llc) and 2 more.
3 possible matches (shared part number, not a government interchangeability claim): 1620-00-831-7839, 5331-01-335-7593, 5330-01-438-8434. Verify interchangeability with system specifications before substitution.
Key specifications for 1JA2948H16: Width Across Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Thread Series: UNF; Temp Rating: 500.0 FAHRENHEIT NOMINAL DEGF; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.
NSN 5310-00-208-4038 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.