The Washer,flat, cataloged under National Stock Number 5310-01-596-0059, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-596-0059 |
| Primary Part Number | 04-21706 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Overall Diameter | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 304 OR STEEL COMP 316 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thickness | 0.068 INCHES MINIMUM AND 0.078 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 |
|---|---|
| 04-21706 | Department of Defense Project Manager-Mobile Electric Power (USA) |
| Reference | Meaning |
|---|---|
| RS62200 | 3/9 Design control — primary reference Gaynor Industries Corporation |
NSN 5310-01-596-0059 is a Washer,flat, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-596-0059 has 1 manufacturer part number on file: 04-21706 (Department of Defense Project Manager-Mobile Electric Power).
Key specifications for 04-21706: Overall Diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: BARTITE HIGH-PRESSURE SEALING WASHER. 7 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.