The Washer,shouldered, cataloged under National Stock Number 5310-01-593-1902, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dante Valve Company. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Dante Valve Company (CAGE 5P967) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-593-1902 |
| Primary Part Number | B42008 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| 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 |
|---|---|
| B42008 PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| D4200 ITEM 20 | 5/9 Secondary reference Danco Valve Company |
| B42008 | 3/9 Design control — primary reference Danco Valve Company |
| D4200 ITEM 20 | 5/1 Secondary reference Dante Valve Company |
| B42008CP | 5/9 Secondary reference Dante Valve Company |
NSN 5310-01-593-1902 is a Washer,shouldered, manufactured by Dante Valve Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-593-1902 has 1 manufacturer part number on file: B42008 (Dante Valve Company).
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.