The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-308-7448, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Dante Valve Company (CAGE 5P967) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-308-7448 |
| Primary Part Number | B11223 |
| Item Name | Washer,shouldered and Recessed |
| 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 |
|---|---|
| B11223 PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| B11223 | 3/9 Design control — primary reference Danco Valve Company |
| D11200 ITEM 13 | 5/1 Secondary reference Dante Valve Company |
| D11200FF ITEM 20 | C/1 Advisory reference — outside the item-of-supply concept Danco Valve Company |
| D11200 ITEM 13 | 5/9 Secondary reference Danco Valve Company |
| B11223-1 | 5/9 Secondary reference Danco Valve Company |
| B11223-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-308-7448 is a Washer,shouldered and Recessed, manufactured by Dante Valve Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-308-7448 has 1 manufacturer part number on file: B11223 (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.