The Adapter,straight,flange to Hose, cataloged under National Stock Number 4730-01-581-8282, 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 Hydrasearch Company, Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-581-8282 |
| Primary Part Number | EF-1546A5-2.5-40 |
| Item Name | Adapter,straight,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Face Design | PLAIN SWIVEL FIRST END |
| Bolt Circle Nominal Diameter | 5.500 INCHES FIRST END IN |
| Nominal Outside Diameter Hose Accommodated | 2.500 INCHES SECOND END IN |
| Connection Type | UNTHREADED INTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.750 INCHES FIRST END IN |
| Nominal Outside Diameter | 7.000 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Nominal Thickness | 0.480 INCHES FIRST END 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 |
|---|---|
| EF-1546A5-2.5-40 PRIMARY | Hydrasearch Company, Llc (USA) |
NSN 4730-01-581-8282 is a Adapter,straight,flange to Hose, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-581-8282 has 1 manufacturer part number on file: EF-1546A5-2.5-40 (Hydrasearch Company, Llc).
Key specifications for EF-1546A5-2.5-40: Flange Shape: ROUND WITH HOLES FIRST END; Flange Face Design: PLAIN SWIVEL FIRST END; Bolt Circle Nominal Diameter: 5.500 INCHES FIRST END IN; Nominal Outside Diameter Hose Accommodated: 2.500 INCHES SECOND END IN. 10 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.