The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-663-5627, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bollhoff Inc. Dba Bollhoff Rivnut Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-663-5627 |
| Primary Part Number | 0531 006 0530 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bollhoff Inc. Dba Bollhoff Rivnut Inc |
| Status | ACTIVE |
| Width Across Flats | 20.48 MILLIMETERS MINIMUM AND 21.00 MILLIMETERS MAXIMUM MM |
| Thread Series | M |
| Temp Rating | -40.0 CELSIUS MINIMUM AND 110.0 CELSIUS MAXIMUM DEGC |
| Thread Direction | RIGHT-HAND |
| Nut Height | 8.6 MILLIMETERS MINIMUM AND 9.0 MILLIMETERS MAXIMUM MM |
| Nut Style | HEXAGON |
| Thread Class | M6 |
| Material | STEEL 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 |
|---|---|
| 0531 006 0530 PRIMARY | Bollhoff Inc. Dba Bollhoff Rivnut Inc (USA) |
| 0531 006 0530 | Bollhoff Fastenings Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 13064629 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5310-01-663-5627 is a Nut,self-Locking,hexagon, manufactured by Bollhoff Inc. Dba Bollhoff Rivnut Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-663-5627 has 2 manufacturer part numbers on file: 0531 006 0530 (Bollhoff Inc. Dba Bollhoff Rivnut Inc), 0531 006 0530 (Bollhoff Fastenings Ltd).
Key specifications for 0531 006 0530: Width Across Flats: 20.48 MILLIMETERS MINIMUM AND 21.00 MILLIMETERS MAXIMUM MM; Thread Series: M; Temp Rating: -40.0 CELSIUS MINIMUM AND 110.0 CELSIUS MAXIMUM DEGC; Thread Direction: RIGHT-HAND. 8 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.