The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-213-4831, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-213-4831 |
| Primary Part Number | 1-329631-2 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.543 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNEF |
| Material Document and Classification | QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Height | 0.087 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | COPPER ALLOY 230 AND COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 262 OR COPPER ALLOY 268 OR COPPER ALLOY 270 OR COPPER ALLOY 272 OR COPPER ALLOY 274 OR COPPER ALLOY 280 OR COPPER ALLOY 485 OR COPPER ALLOY 331 OR COPPER ALLOY 332 OR COPPER ALLOY 335 OR COPPER ALLOY 340 OR COPPER ALLOY 342 OR COPPER ALLOY 344 OR COPPER ALLOY 345 OR COPPER ALLOY 347 OR COPPER ALLOY 348 OR COPPER ALLOY 350 OR COPPER ALLOY 353 OR COPPER ALLOY 356 OR COPPER ALLOY 360 OR COPPER ALLOY 370 OR COPPER ALLOY 377 OR COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 465 OR COPPER ALLOY 466 OR COPPER ALLOY 467 OR COPPER ALLOY 482 OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| A00867 | Thales Uk Limited Secure Communications and Information Systems (GBR) |
| 91213/999-01 ITEM 115 | Thales Uk Limited Secure Communications and Information Systems (GBR) |
| 1-329631-2 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 91213/999-01 ITEM 115 | 5/9 Secondary reference Racal Communications Systems Ltd |
| A00867 | 5/9 Secondary reference Racal Communications Systems Ltd |
NSN 5310-01-213-4831 is a Nut,plain,hexagon, manufactured by Te Connectivity Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-213-4831 has 3 manufacturer part numbers on file: A00867 (Thales Uk Limited Secure Communications and Information Systems), 91213/999-01 ITEM 115 (Thales Uk Limited Secure Communications and Information Systems), 1-329631-2 (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-588-8421. Verify interchangeability with system specifications before substitution.
Key specifications for 1-329631-2: Width Across Flats: 0.543 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNEF; Material Document and Classification: QQ-B-626 FED SPEC ALL MATERIAL RESPONSES 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.