The Washer,lock, cataloged under National Stock Number 5310-01-306-4865, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tifco Industries, Inc. Dba Tifco Industries Inc. Government technical data includes 3 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-306-4865 |
| Primary Part Number | 54759 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tifco Industries, Inc. Dba Tifco Industries Inc |
| Status | ACTIVE |
| Hardness Rating | 50.0 ROCKWELL C NOMINAL |
| Features Provided | CASEHARDENED |
| Hole Diameter | 0.875 INCHES NOMINAL 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 |
|---|---|
| 54759 PRIMARY | Tifco Industries, Inc. Dba Tifco Industries Inc (USA) |
NSN 5310-01-306-4865 is a Washer,lock, manufactured by Tifco Industries, Inc. Dba Tifco Industries Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-306-4865 has 1 manufacturer part number on file: 54759 (Tifco Industries, Inc. Dba Tifco Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 4010-01-565-9438. Verify interchangeability with system specifications before substitution.
Key specifications for 54759: Hardness Rating: 50.0 ROCKWELL C NOMINAL; Features Provided: CASEHARDENED; Special Features: VIBRATION PROOF ACCORDING TO MILITARY SPEC. NO. MCN 5310-H06-4254 THRU 4266; PRIMARILY,FOR USE WHEREVER JOINTS MUST REMAIN PERMANENTLY TIGHT; Hole Diameter: 0.875 INCHES NOMINAL IN. 3 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.