The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-017-6183, 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 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-017-6183 |
| Primary Part Number | 525-617-9003 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| Status | ACTIVE |
| Washer Outside Diameter | 0.330 INCHES MAXIMUM IN |
| Width Across Flats | 0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Temp Rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| Washer Thickness | 0.015 INCHES MINIMUM IN |
| Material Document and Classification | MS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | OVERALL SILVER |
| Nut Style | HEXAGON |
| Thread Class | 3BG |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 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 |
|---|---|
| 525-617-9003 PRIMARY | Bristol Industries, Llc (USA) |
| 525-617-9003 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 525-617-9003 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| H29547-3 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| BH00209-3 | 5/9 Secondary reference Bristol Industries, Llc |
| H29547-3 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| H29547-3 | 5/9 Secondary reference Klx Aerospace Solutions II SAS |
| 525-617-9003 | 7/2 Vendor item drawing reference U.S. Government activity |
| LH8540-02K | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-017-6183 is a Nut,self-Locking,extended Washer, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-017-6183 has 3 manufacturer part numbers on file: 525-617-9003 (Bristol Industries, Llc), 525-617-9003 (Howmet Global Fastening Systems Inc), 525-617-9003 (Howmet Global Fastening Systems Inc).
Key specifications for 525-617-9003: Overall Height: 0.175 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Washer Outside Diameter: 0.330 INCHES MAXIMUM IN; Width Across Flats: 0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 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.