The Nut,self-Locking,single Ball Sea, cataloged under National Stock Number 5310-00-494-2048, 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 15 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-494-2048 |
| Primary Part Number | 74048M08 |
| Item Name | Nut,self-Locking,single Ball Sea |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 0.216 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.215 INCHES MAXIMUM IN |
| Ball Seat Radius | 0.174 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | SINGLE BALL SEAT, HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 74048M08 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GN510AE08L | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| GN510AE08L | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| RM52LH4367-82 | 5/9 Secondary reference Harvard Industries Inc |
| 99-7598-001 | 5/9 Secondary reference U.S. Government activity |
| 99-7598-001 | C/1 Advisory reference — outside the item-of-supply concept Kilgore Flares Company Llc |
NSN 5310-00-494-2048 is a Nut,self-Locking,single Ball Sea, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-494-2048 has 2 manufacturer part numbers on file: 74048M08 (Sps Technologies, Llc Dba PB Fasteners), GN510AE08L (Howmet Global Fastening Systems Inc).
Key specifications for 74048M08: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 0.216 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC). 15 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.