The Deck Box,remote Operator,valve, cataloged under National Stock Number 4820-01-256-2231, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Triumph Controls, Llc Dba Triumph Controls, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-256-2231 |
| Primary Part Number | 57343-04 |
| Item Name | Deck Box,remote Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Triumph Controls, Llc Dba Triumph Controls, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE,COVER;BRONZE INNER SLEEVE;STEEL-1018,WELD SLEEVE;STAINLESS STEEL,ACTIVATOR SHAFT;STAINLESS STEEL,FASTENERS;VITON O-RINGS;STAINLESS STEEL,CHAIN ASSEMBLY;BRONZE,BODY;LEXAN,INDICATOR WINDOW;BRASS INDICATOR GEARS;BRONZE,LOCKING STRAP;5.375 IN. TOP DIA;6.000 IN. HEIGHT;4.000 IN. BOTTOM DIA;TO BE FIELD WELDED;A TEE WRENCH IS USED TO PROVIDE REMOTE VALVE OPERATION-NOT INCLUDED;FURNISHED WITH-OPEN/SHUT INDICATOR;360DEGREE-1INDICATION TURN;THREADED ACCESS COVER WITH LOCKING STRAP 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 |
|---|---|
| 40036774 | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
| 57343-04 PRIMARY | Triumph Controls, Llc Dba Triumph Controls, Llc (USA) |
| RMOP0122 | Score Marine Ltd (GBR) |
| Reference | Meaning |
|---|---|
| POD57343-04 | 5/1 Secondary reference Triumph Controls, Llc Dba Triumph Controls, Llc |
| DBWD | 5/9 Secondary reference Triumph Controls, Llc Dba Triumph Controls, Llc |
| 4DBWD 57343 | 5/1 Secondary reference Triumph Controls, Llc Dba Triumph Controls, Llc |
| 57343-4 | 5/9 Secondary reference Triumph Controls, Llc Dba Triumph Controls, Llc |
NSN 4820-01-256-2231 is a Deck Box,remote Operator,valve, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-256-2231 has 3 manufacturer part numbers on file: 40036774 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)), 57343-04 (Triumph Controls, Llc Dba Triumph Controls, Llc), RMOP0122 (Score Marine Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-393-2913. Verify interchangeability with system specifications before substitution.
Key specifications for 57343-04: General Characteristics Item Description: BRONZE,COVER;BRONZE INNER SLEEVE;STEEL-1018,WELD SLEEVE;STAINLESS STEEL,ACTIVATOR SHAFT;STAINLESS STEEL,FASTENERS;VITON O-RINGS;STAINLESS STEEL,CHAIN ASSEMBLY;BRONZE,BODY;LEXAN,INDICATOR WINDOW;BRASS INDICATOR GEARS;BRONZE,LOCKING STRAP;5.375 IN. TOP DIA;6.000 IN. HEIGHT;4.000 IN. BOTTOM DIA;TO BE FIELD WELDED;A TEE WRENCH IS USED TO PROVIDE REMOTE VALVE OPERATION-NOT INCLUDED;FURNISHED WITH-OPEN/SHUT INDICATOR;360DEGREE-1INDICATION TURN;THREADED ACCESS COVER WITH LOCKING STRAP IN. 1 specification is 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.