The Nut,plain,round, cataloged under National Stock Number 5310-01-143-4913, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-143-4913 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PS-1-40 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.000 INCHES IN |
| Nut Diameter | 2.500 INCHES NOMINAL IN |
| Drive Point Depth | 0.100 INCHES NOMINAL IN |
| Nut Thickness | 0.200 INCHES NOMINAL IN |
| Drive Point Diameter | 0.1590 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 416 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 63634 | 3/2 Design control — primary reference U.S. Government activity |
| 63634 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-143-4913 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5315-01-268-2556. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-143-4913: Surface Treatment Document and Classification: PS-1-40 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 2.000 INCHES IN. 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.