The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-534-7335, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-534-7335 |
| Primary Part Number | SP53029-8 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 0.981 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE THREADS |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Temp Rating | 500.0 FAHRENHEIT MAXIMUM DEGF |
| Hardness Rating | 50.0 ROCKWELL C MAXIMUM |
| Washer Thickness | 0.080 INCHES MINIMUM IN |
| Material Document and Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | MIL-R-46198, TYPE I MIL SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Surface Treatment | SILVER THREADS |
| Precious Material and Location | THREADS SILVER |
| Drive Point Quantity | 12 |
| Nut Style | SPLINE DRIVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | PLASTIC LOCKING INSERT |
| Material | NICKEL ALLOY 718 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 |
|---|---|
| SP53029-8 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BH00581-8 PRIMARY | Bristol Industries, Llc (USA) |
| 83592V-820 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 3D0015-8 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-534-7335 is a Nut,self-Locking,extended Washer, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-534-7335 has 3 manufacturer part numbers on file: SP53029-8 (Howmet Global Fastening Systems Inc), BH00581-8 (Bristol Industries, Llc), 83592V-820 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for SP53029-8: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.665 INCHES MAXIMUM IN; Washer Outside Diameter: 0.981 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE THREADS. 21 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.