The Nut,plain,pentagon, cataloged under National Stock Number 5310-01-353-3641, 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14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-353-3641 |
| Item Name | Nut,plain,pentagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Flat | 0.216 INCHES MINIMUM AND 0.216 INCHES MINIMUM AND 0.222 INCHES MAXIMUM0.222 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM39.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES0.250 INCHES IN |
| Nut Height | 0.178 INCHES MINIMUM AND 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM0.198 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | NUT PLAIN PENTAGONNUT PLAIN PENTAGON |
| Thread Class | 3B3B |
| Thread Quantity Per Inch | 2828 |
| Material | STEEL COMP XM-12 OVERALL |
| Bearing Surface Type | FLATFLAT |
| 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 |
|---|---|
| 744487 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-353-3641 is a Nut,plain,pentagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-353-3641: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Centerline to Flat: 0.216 INCHES MINIMUM AND 0.216 INCHES MINIMUM AND 0.222 INCHES MAXIMUM0.222 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF); Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM39.0 ROCKWELL C MAXIMUM. 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.