The Nut,plain,clinch, cataloged under National Stock Number 5310-01-078-5099, 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16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-078-5099 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNJC |
| Temp Rating | 600.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 90.0 ROCKWELL B MAXIMUM |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Diameter | 0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Pilot Diameter | 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Pilot Length | 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN |
| Nut Height | 0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| Material | IRON ALLOY 660 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 |
|---|---|
| MRPN4-40SU | 5/1 Secondary reference U.S. Government activity |
| M45938-3-4C | 2/2 Government specification standardization U.S. Government activity |
| MIL-N-45938 | 4/1 Identification reference U.S. Government activity |
NSN 5310-01-078-5099 is a Nut,plain,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-078-5099: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNJC; Temp Rating: 600.0 FAHRENHEIT NOMINAL DEGF; Hardness Rating: 90.0 ROCKWELL B MAXIMUM. 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.