The Nut,self-Locking,double Hexagon, cataloged under National Stock Number 5310-01-080-2078, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-080-2078 |
| Primary Part Number | BH00186-5 |
| Item Name | Nut,self-Locking,double Hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.419 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Hole Configuration Style | CONFIGURATION G |
| Material Document and Classification | AMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Height | 0.335 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Drilled Hole Diameter | 0.342 INCHES NOMINAL IN |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | THREADS SILVER |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Type and Quantity | 1 DRILLED |
| 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 |
|---|---|
| 9182M32P01 | General Electric Company (USA) |
| BH00186-5 PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 82678-524 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| 9182M32P02 | 5/9 Secondary reference General Electric Company |
| VN701W054 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 5310PL0784399 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| H50317-5 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
NSN 5310-01-080-2078 is a Nut,self-Locking,double Hexagon, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-080-2078 has 2 manufacturer part numbers on file: 9182M32P01 (General Electric Company), BH00186-5 (Bristol Industries, Llc).
Key specifications for BH00186-5: Width Across Flats: 0.419 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Precious Material: SILVER; Hole Configuration Style: CONFIGURATION G. 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.