The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-488-9017, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-488-9017 |
| Primary Part Number | 79M60 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.302 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.178 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE NUT |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| Material | FIBER LOCKING INSERT |
| Material | STEEL COMP 303 NUT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 79M60 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 79M60 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-488-9017 is a Nut,self-Locking,hexagon, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-488-9017 has 1 manufacturer part number on file: 79M60 (Esna, Llc).
Key specifications for 79M60: Width Across Flats: 0.302 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN; Thread Series: UNF; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE NUT. 13 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.