The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-907-8382, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-907-8382 |
| Primary Part Number | 72789M-1414 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 1.438 INCHES MAXIMUM IN |
| Width Across Flats | 0.990 INCHES MINIMUM AND 1.002 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 JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM |
| Washer Thickness | 0.148 INCHES MINIMUM IN |
| Material Document and Classification | AMS6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS6485 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 8740 OR STEEL COMP H11 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 72789M-1414 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| 72789M-1414 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 72789M-1414 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| FN22M1414 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5310-00-907-8382 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-907-8382 has 3 manufacturer part numbers on file: 72789M-1414 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), 72789M-1414 (Sps Technologies, Llc Dba PB Fasteners), 72789M-1414 (Howmet Global Fastening Systems Inc).
Key specifications for 72789M-1414: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.836 INCHES MAXIMUM IN; Washer Outside Diameter: 1.438 INCHES MAXIMUM IN; Width Across Flats: 0.990 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN. 17 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.