The Deck Box Operator,valve, cataloged under National Stock Number 4820-01-413-2521, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is B.w. Elliott Manufacturing Co., Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-413-2521 |
| Primary Part Number | 12793-403 |
| Item Name | Deck Box Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B.w. Elliott Manufacturing Co., Llc |
| 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 |
|---|---|
| 500-6574890 FIND NO.231 | Naval Sea Systems Command (USA) |
| 12793-403 PRIMARY | B.w. Elliott Manufacturing Co., Llc (USA) |
| Reference | Meaning |
|---|---|
| B-800-12793-403 | 5/9 Secondary reference B.w. Elliott Manufacturing Co., Llc |
| 12793 ASSY B-800-12793-403 | 5/9 Secondary reference B.w. Elliott Manufacturing Co., Llc |
NSN 4820-01-413-2521 is a Deck Box Operator,valve, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-413-2521 has 2 manufacturer part numbers on file: 500-6574890 FIND NO.231 (Naval Sea Systems Command), 12793-403 (B.w. Elliott Manufacturing Co., Llc).
Key specifications for 12793-403: Special Features: NONMAGNETIC; End Item Identification: OSPREY CLASS MHC. 0 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.