The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-575-0724, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Thomas and Betts. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-575-0724 |
| Primary Part Number | 146-TB |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Thomas and Betts |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.000 INCHES IN |
| 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 |
|---|---|
| 146-TB PRIMARY | Thomas and Betts (USA) |
| 146-TB | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 146 | 5/9 Secondary reference Hydraulics International, Inc. Dba Hydraulics International Inc |
| 146 | 5/9 Secondary reference Thomas and Betts |
NSN 5310-01-575-0724 is a Nut,self-Locking,hexagon, manufactured by Thomas and Betts, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-575-0724 has 2 manufacturer part numbers on file: 146-TB (Thomas and Betts), 146-TB (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 146-TB: Thread Direction: RIGHT-HAND; Nominal Thread Size: 2.000 INCHES IN; Special Features: NUT, LOCK AND IS 7/32 INCHES THICK IN; Part Name Assigned by Controlling Agency: LOCKNUT. 2 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.