The Coupling,actuator, cataloged under National Stock Number 4730-01-183-2428, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Admiral Filter Company Llc. Government technical data includes 1 specification, 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. 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 | 4730-01-183-2428 |
| Primary Part Number | 203133 |
| Item Name | Coupling,actuator |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Admiral Filter Company Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEELING;LG 3.000 IN.,OD 2.000 IN.,ID 1.000 IN.;WITH 2 CLAMPING SCREWS 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 4730-01-183-2428 is a Coupling,actuator, manufactured by Admiral Filter Company Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-183-2428 has 2 manufacturer part numbers on file: 203133 (C Triay Family Llc), 203133 (Admiral Filter Company Llc).
1 possible match (shared part number, not a government interchangeability claim): 5970-01-306-3832. Verify interchangeability with system specifications before substitution.
Key specifications for 203133: General Characteristics Item Description: STEELING;LG 3.000 IN.,OD 2.000 IN.,ID 1.000 IN.;WITH 2 CLAMPING SCREWS 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.