The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-628-1632, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hoffman Engineering, Llc Dba Hoffman Engineering 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-628-1632 |
| Primary Part Number | NEH-0001 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hoffman Engineering, Llc Dba Hoffman Engineering Llc |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES MINIMUM IN |
| Thread Series | UNF |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT OR PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.500 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING NUT |
| Material | PLASTIC NYLON LOCKING INSERT |
| Bearing Surface Type | CHAMFERED OR FLAT |
| 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 |
|---|---|
| NEH-0001 PRIMARY | Hoffman Engineering, Llc Dba Hoffman Engineering Llc (USA) |
| Reference | Meaning |
|---|---|
| 725-1013-9001 ITEM 32 | C/1 Advisory reference — outside the item-of-supply concept Hoffman Engineering, Llc Dba Hoffman Engineering Llc |
NSN 5310-01-628-1632 is a Nut,self-Locking,hexagon, manufactured by Hoffman Engineering, Llc Dba Hoffman Engineering Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-628-1632 has 1 manufacturer part number on file: NEH-0001 (Hoffman Engineering, Llc Dba Hoffman Engineering Llc).
Key specifications for NEH-0001: Width Across Flats: 0.375 INCHES MINIMUM IN; Thread Series: UNF; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Thread Direction: RIGHT-HAND. 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.