The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-363-4883, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-363-4883 |
| Primary Part Number | 75079-M508 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 7.85 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | ISO M |
| Thread Pitch in Millimeters | 0.80 |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 5.00 MILLIMETERS MM |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 6.90 MILLIMETERS NOMINAL MM |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Material | STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 321 OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| 75079-M508 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| E20019-5M | Esna, Llc (USA) |
| H49890-5MM | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BAC10WP50 | 3/2 Design control — primary reference U.S. Government activity |
| 401-4597464 ITEM 45 | 5/2 Secondary reference U.S. Government activity |
| E20019-5M | 5/9 Secondary reference Harvard Industries Inc |
| BACN10WP50 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-01-363-4883 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-363-4883 has 3 manufacturer part numbers on file: 75079-M508 (Sps Technologies, Llc Dba PB Fasteners), E20019-5M (Esna, Llc), H49890-5MM (Howmet Global Fastening Systems Inc).
Key specifications for 75079-M508: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 7.85 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: ISO M. 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.