The Nut,self-Locking,assembled Washe, cataloged under National Stock Number 5310-01-140-7891, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pti Technologies Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,self-Locking,assembled Washe |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Pti Technologies Inc. (CAGE 05228) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-140-7891 |
| Primary Part Number | 64054 |
| Item Name | Nut,self-Locking,assembled Washe |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 64054 | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| F1C518-1 | 3/2 Design control — primary reference U.S. Government activity |
| 64054 | 5/9 Secondary reference Arvinmeritor Inc |
NSN 5310-01-140-7891 is a Nut,self-Locking,assembled Washe, manufactured by Pti Technologies Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-140-7891 has 1 manufacturer part number on file: 64054 (Pti Technologies Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-359-4141. Verify interchangeability with system specifications before substitution.
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.