The Washer,key, cataloged under National Stock Number 5310-01-340-5083, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Inc.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-340-5083 |
| Primary Part Number | 7572620-001 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Land Systems Inc. |
| Status | ACTIVE |
| Internal Straight Key Width | 0.735 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 1.061 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | KEY |
| Outside Diameter | 4.460 INCHES MINIMUM AND 4.480 INCHES MAXIMUM IN |
| Material Thickness | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OR STEEL COMP 304 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 2.876 INCHES MINIMUM AND 2.882 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 |
|---|---|
| 7572620-001 PRIMARY | General Dynamics Land Systems Inc. (USA) |
NSN 5310-01-340-5083 is a Washer,key, manufactured by General Dynamics Land Systems Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-340-5083 has 1 manufacturer part number on file: 7572620-001 (General Dynamics Land Systems Inc.).
Key specifications for 7572620-001: Internal Straight Key Width: 0.735 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 1.061 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: KEY. 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.