The Nut,plain,round, cataloged under National Stock Number 5310-01-063-5899, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-063-5899 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-13924,CLASS 1,GRADE C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.50 |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 10.00 MILLIMETERS MINIMUM MM |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 30.0 MILLIMETERS MM |
| Nut Diameter | 43.00 MILLIMETERS NOMINAL MM |
| Drive Point Depth | 3.50 MILLIMETERS MINIMUM MM |
| Nut Thickness | 9.40 MILLIMETERS MINIMUM AND 9.50 MILLIMETERS MAXIMUM MM |
| Surface Treatment | OXIDE OVERALL |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Material | STEEL COMP 4130 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 |
|---|---|
| SLN40.186 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-063-5899 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-063-5899: Surface Treatment Document and Classification: MIL-C-13924,CLASS 1,GRADE C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: M; Thread Pitch in Millimeters: 1.50; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM. 15 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.