The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-463-1772, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bristol Industries, Llc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-463-1772 |
| Primary Part Number | BH00685V9 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 1.055 INCHES MAXIMUM IN |
| Width Across Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-8837, TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hardness Rating | 40.0 ROCKWELL C NOMINAL |
| Washer Thickness | 0.047 INCHES MINIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | COBALT ALLOY 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 |
|---|---|
| HS4133V9 | Howmet Global Fastening Systems Inc (USA) |
| H54656-9 | Howmet Global Fastening Systems Inc (USA) |
| HS4133V9 | The Boeing Company (USA) |
| BH00685V9 PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 94288V918 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| SII262V9 | 5/9 Secondary reference Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| HS54656-9 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| PBF1447V9 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| SII1262V9 | 5/9 Secondary reference Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| MC10009V9 | 5/9 Secondary reference Mecair Aerospace Industries,subsidiary of Spstechnologiesdiv Division of Sps Technologiesdba Mecair Inc. Div Division of Sps Technologies |
| HS4133V9 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| HS4133V9 | 3/9 Design control — primary reference Sps Technologies, Llc Dba PB Fasteners |
| SLN125V9 | 5/9 Secondary reference Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
NSN 5310-01-463-1772 is a Nut,self-Locking,extended Washer, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-463-1772 has 4 manufacturer part numbers on file: HS4133V9 (Howmet Global Fastening Systems Inc), H54656-9 (Howmet Global Fastening Systems Inc), HS4133V9 (The Boeing Company), BH00685V9 (Bristol Industries, Llc).
Key specifications for BH00685V9: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.760 INCHES MAXIMUM IN; Washer Outside Diameter: 1.055 INCHES MAXIMUM IN; Width Across Flats: 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN. 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.