The Washer,lock, cataloged under National Stock Number 5310-01-042-7578, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-042-7578 |
| Primary Part Number | 0740824 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM43.0 ROCKWELL C MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.216 INCHES MAXIMUM0.216 INCHES MAXIMUM IN |
| Material Thickness | 0.030 INCHES MINIMUM0.030 INCHES MINIMUM IN |
| Nondefinitive Spec/std Data | C CLASS AND 5 STYLE |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.141 INCHES MINIMUM AND 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM0.148 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 |
|---|---|
| 0740824 | General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels (CHE) |
| Reference | Meaning |
|---|---|
| 780512-3 | C/1 Advisory reference — outside the item-of-supply concept Hamilton Sundstrand Corporation Dba Collins Aerospace |
| 10088045 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MS51848-47 | 2/2 Government specification standardization U.S. Government activity |
| FF-W-84 | 4/1 Identification reference U.S. Government activity |
NSN 5310-01-042-7578 is a Washer,lock, manufactured by General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-042-7578 has 1 manufacturer part number on file: 0740824 (General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels).
Key specifications for 0740824: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM43.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL. 10 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.