The Washer,lock, cataloged under National Stock Number 5310-01-421-2943, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Corland Co. Dba Corland Co. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-421-2943 |
| Primary Part Number | 447-604-004 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Corland Co. Dba Corland Co |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.212 INCHES MAXIMUM IN |
| Material Thickness | 0.025 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.115 INCHES MINIMUM AND 0.124 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 |
|---|---|
| 447-604-004 PRIMARY | Corland Co. Dba Corland Co (USA) |
| Reference | Meaning |
|---|---|
| 447-604-004 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-421-2943 is a Washer,lock, manufactured by Corland Co. Dba Corland Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-421-2943 has 1 manufacturer part number on file: 447-604-004 (Corland Co. Dba Corland Co).
Key specifications for 447-604-004: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.212 INCHES MAXIMUM IN; Material Thickness: 0.025 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL. 6 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.