The Nut,plain,round, cataloged under National Stock Number 5310-01-144-6898, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-144-6898 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNJS |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.470 INCHES IN |
| Nut Diameter | 3.970 INCHES MINIMUM AND 3.975 INCHES MAXIMUM IN |
| Drive Point Depth | 0.222 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN |
| Nut Thickness | 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Drive Point Quantity | 21 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 4055T20P02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-144-6898 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-144-6898: Surface Treatment Document and Classification: AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNJS; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Material Document and Classification: AMS6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 16 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.