The Washer,key, cataloged under National Stock Number 5310-01-020-3265, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 12 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 | 5310-01-020-3265 |
| Primary Part Number | 2596686 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Internal Straight Key Width | 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.196 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Inside of Prebent Key | 0.359 INCHES NOMINAL IN |
| External Prebent Key Length | 0.050 INCHES NOMINAL IN |
| Overall Distance Including Keys | 0.751 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Thickness | 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| External Prebent Key Width | 0.110 INCHES NOMINAL IN |
| Hole Diameter | 0.475 INCHES NOMINAL 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 |
|---|---|
| 2596686 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5310-01-020-3265 is a Washer,key, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-020-3265 has 1 manufacturer part number on file: 2596686 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 2596686: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Internal Straight Key Width: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.196 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 12 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.