The Washer,lock, cataloged under National Stock Number 5310-01-467-2139, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-467-2139 |
| Primary Part Number | 346-12024 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.680 INCHES MAXIMUM IN |
| Material Thickness | 0.094 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM 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 |
|---|---|
| 346-12024 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| M19-21121-D PC 167 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| PL-M19-21121-D PC 167 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| Reference | Meaning |
|---|---|
| M19-21121 | D/9 Drawing number reference only Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| B18.21.1 | 5/1 Secondary reference U.S. Government activity |
NSN 5310-01-467-2139 is a Washer,lock, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-467-2139 has 3 manufacturer part numbers on file: 346-12024 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), M19-21121-D PC 167 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), PL-M19-21121-D PC 167 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
5 possible matches (shared part number, not a government interchangeability claim): 5310-01-467-2420, 5310-01-467-2422, 5310-01-467-2433. Verify interchangeability with system specifications before substitution.
Key specifications for 346-12024: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.680 INCHES MAXIMUM IN; Material Thickness: 0.094 INCHES NOMINAL IN; End Item Identification: TRANS:WSD;NIMITZ CLASS CVN. 5 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.