The Washer,lock, cataloged under National Stock Number 5310-00-262-3517, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5310-00-262-3517 |
| Primary Part Number | 146370PC23 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | QQ-S-633,CANC FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.299 INCHES MAXIMUM IN |
| Material Thickness | 0.047 INCHES NOMINAL IN |
| Departure From Cited Designator | AS MODIFIED BY OUTSIDE DIA. |
| Nondefinitive Spec/std Data | A CLASS AND 2 STYLE |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL |
| Hole Diameter | 0.194 INCHES MINIMUM AND 0.205 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 |
|---|---|
| 43W6128 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 146370PC23 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 681948PC4 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 12Z22PC285 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 447526 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| FFW84CLASSASTYLE2 | 4/1 Identification reference U.S. Government activity |
NSN 5310-00-262-3517 is a Washer,lock, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-262-3517 has 5 manufacturer part numbers on file: 43W6128 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 146370PC23 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 681948PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 12Z22PC285 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 447526 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5310-00-688-2198. Verify interchangeability with system specifications before substitution.
Key specifications for 146370PC23: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: QQ-S-633,CANC FED SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.299 INCHES MAXIMUM IN; Material Thickness: 0.047 INCHES NOMINAL IN. 9 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.