The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-394-8536, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Waukesha Bearings Corporation. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-394-8536 |
| Primary Part Number | 000991948-000 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Waukesha Bearings Corporation |
| Status | ACTIVE |
| Width Across Flats | 3.750 INCHES MINIMUM AND 3.875 INCHES MAXIMUM IN |
| Thread Series | UN |
| Hardness Rating | 24.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.500 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 2.401 INCHES MINIMUM AND 2.505 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 8 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| 000991948-000 PRIMARY | Waukesha Bearings Corporation (USA) |
| 063-000-158 PC 6 | Waukesha Bearings Corporation (USA) |
NSN 5310-01-394-8536 is a Nut,self-Locking,hexagon, manufactured by Waukesha Bearings Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-394-8536 has 2 manufacturer part numbers on file: 000991948-000 (Waukesha Bearings Corporation), 063-000-158 PC 6 (Waukesha Bearings Corporation).
Key specifications for 000991948-000: Width Across Flats: 3.750 INCHES MINIMUM AND 3.875 INCHES MAXIMUM IN; Thread Series: UN; Hardness Rating: 24.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Thread Direction: RIGHT-HAND. 12 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.