The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-528-5991, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-528-5991 |
| Primary Part Number | 25164678 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales |
| Status | ACTIVE |
| Width Across Flats | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.25 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 8.0 MILLIMETERS MM |
| Nut Height | 8.5 MILLIMETERS MINIMUM AND 9.5 MILLIMETERS MAXIMUM MM |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | HEXAGON |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL COMP 1137 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 |
|---|---|
| 25164678 | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS) |
| Reference | Meaning |
|---|---|
| 154AM5002 | 5/9 Secondary reference Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales |
| 154AM5002 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-528-5991 is a Nut,self-Locking,hexagon, manufactured by Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-528-5991 has 1 manufacturer part number on file: 25164678 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales).
Key specifications for 25164678: Width Across Flats: 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM; Thread Series: M; Thread Pitch in Millimeters: 1.25; Thread Direction: RIGHT-HAND. 10 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.