The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-445-8498, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-445-8498 |
| Primary Part Number | 533430-11 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Thread Series | UNS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.130 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 35 |
| Material | COPPER ALLOY 268 OR COPPER ALLOY 260 OR COPPER ALLOY 240 OR COPPER ALLOY 230 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 262 OR COPPER ALLOY 270 OR COPPER ALLOY 272 OR COPPER ALLOY 274 OR COPPER ALLOY 280 OR COPPER ALLOY 330 OR COPPER ALLOY 331 OR COPPER ALLOY 332 OR COPPER ALLOY 335 OR COPPER ALLOY 340 OR COPPER ALLOY 344 OR COPPER ALLOY 345 OR COPPER ALLOY 347 OR COPPER ALLOY 348 OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| 533430-11 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| 533430-11 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| 209-275 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| 59PHT0 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| 216295PC3 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| 59SPL PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| 216295PC3 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 59KM0 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| Reference | Meaning |
|---|---|
| 59SPL | 5/9 Secondary reference U.S. Government activity |
| 59PHT0 | 5/9 Secondary reference U.S. Government activity |
| 59KM0 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-445-8498 is a Nut,plain,hexagon, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-445-8498 has 8 manufacturer part numbers on file: 533430-11 (Bae Systems Information and Electronic Systems Integration Inc.), 533430-11 (L3 Technologies, Inc. Div L3 Keo), 209-275 (Bae Systems Information and Electronic Systems Integration Inc.), 59PHT0 (Bae Systems Information and Electronic Systems Integration Inc.), 216295PC3 (Bae Systems Information and Electronic Systems Integration Inc.) and 3 more.
3 possible matches (shared part number, not a government interchangeability claim): 3110-00-781-3980, 1680-00-864-1254, 8415-01-722-3232. Verify interchangeability with system specifications before substitution.
Key specifications for 533430-11: Width Across Flats: 0.375 INCHES NOMINAL IN; Thread Series: UNS; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN. 10 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.