The Coupling,actuator-Handwheel,valv, cataloged under National Stock Number 4820-01-256-2234, 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 4 specifications, 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. 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 | 4820-01-256-2234 |
| Primary Part Number | 57363-2 |
| Item Name | Coupling,actuator-Handwheel,valv |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Triumph Controls, Llc Dba Triumph Controls, Llc |
| Status | ACTIVE |
| Valve Type for Which Designed | RISING HANDWHEEL |
| Connector End Design | FEMALE |
| Wheel Size for Which Designed | TO FIT VALVE HANDWHEEL 6 INCHES TO 9 INCHES IN |
| Connection Size | 1.630 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-256-2234 is a Coupling,actuator-Handwheel,valv, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-256-2234 has 3 manufacturer part numbers on file: 57363-2 (Triumph Controls, Llc Dba Triumph Controls, Llc), 57363-02 (Triumph Controls, Llc Dba Triumph Controls, Llc), R2 (Triumph Controls, Llc Dba Triumph Controls, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-284-5858. Verify interchangeability with system specifications before substitution.
Key specifications for 57363-2: Valve Type for Which Designed: RISING HANDWHEEL; Connector End Design: FEMALE; Special Features: PROVIDED WITH ATTACHMENT HARDWARE; Wheel Size for Which Designed: TO FIT VALVE HANDWHEEL 6 INCHES TO 9 INCHES IN. 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.