The Nut,plain,round, cataloged under National Stock Number 5310-00-062-6705, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kelly Manufacturing Company. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-062-6705 |
| Primary Part Number | A2437 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Kelly Manufacturing Company |
| Status | ACTIVE |
| Thread Series | UNEF |
| Material Document and Classification | QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Drive Point Width | 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Diameter | 0.422 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN |
| Drive Point Depth | 0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Nut Thickness | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Countersink Angle | 118.0 DEGREES MINIMUM AND 122.0 DEGREES MAXIMUM NUT |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY 268 OR COPPER ALLOY 260 OR COPPER ALLOY 240 OR COPPER ALLOY 230 OR COPPER ALLOY 377 OR COPPER ALLOY 360 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 262 OR COPPER ALLOY 270 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 OR COPPER ALLOY 350 OR COPPER ALLOY 356 OR COPPER ALLOY 370 OR COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 465 OR COPPER ALLOY 466 OR COPPER ALLOY 467 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL |
| 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 |
|---|---|
| A2437 PRIMARY | Kelly Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| A2437 | 5/9 Secondary reference Allen R C Co Inc Cash Register Div |
| A2437 | 5/9 Secondary reference Allen R C Instruments Inc |
NSN 5310-00-062-6705 is a Nut,plain,round, manufactured by Kelly Manufacturing Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-062-6705 has 1 manufacturer part number on file: A2437 (Kelly Manufacturing Company).
4 possible matches (shared part number, not a government interchangeability claim): 5825-00-756-7397, 4110-01-387-8507, 5306-01-499-2923. Verify interchangeability with system specifications before substitution.
Key specifications for A2437: Thread Series: UNEF; Material Document and Classification: QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL; Drive Point Width: 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 14 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.