The Deck Box Operator,valve, cataloged under National Stock Number 4820-01-645-7755, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-645-7755 |
| Primary Part Number | 8576287 REV A PC F31, F56 |
| Item Name | Deck Box Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mechanical Connection Type | RIGID SHAFT |
| Accommodated Shaft Diameter | 1.00 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Housing Diameter | 4.88 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 |
|---|---|
| 8576287 REV A PC F31, F56 PRIMARY | Naval Sea Systems Command (USA) |
| VCDB-1300-04 PRIMARY | V2r4, Llc Dba Bfg Marine Div Bfg Marine (USA) |
NSN 4820-01-645-7755 is a Deck Box Operator,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-645-7755 has 2 manufacturer part numbers on file: 8576287 REV A PC F31, F56 (Naval Sea Systems Command), VCDB-1300-04 (V2r4, Llc Dba Bfg Marine Div Bfg Marine).
Key specifications for 8576287 REV A PC F31, F56: Mechanical Connection Type: RIGID SHAFT; Special Features: WELD TYPE SIZE 1 INCH ROD, DECK BOX IS A WATERTIGHT OPERATOR DESIGNED TOPROVIDE A FLUSH MOUNTED POINT OF OPERTION FOR VALVES THROUGH FLOORS, WALLS, BULKHEADS AND DECKS; 4 TURNS. IN; Accommodated Shaft Diameter: 1.00 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: DECK BOX WITH INDICATOR. 4 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.