The Adapter,straight,flange to Hose, cataloged under National Stock Number 4730-01-706-8294, 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 16 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 | 4730-01-706-8294 |
| Primary Part Number | EF-1546A3-2-40 |
| 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 Thickness | 0.810 INCHES NOMINAL FIRST END IN |
| Connection Style | INTERNAL SECOND END |
| Connection Style | FLANGED TO GROOVED CLAMP (FEMALE)(HOSE) FIRST END |
| Nominal Overall Length | 4.370 INCHES IN |
| Connection Type | UNTHREADED INTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE NIPPLE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | ASTM B505 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE BOLT |
| Bolt Hole Quantity | 6 FIRST END |
| Material | NICKEL ALLOY NUT |
| Material | ALUMINUM ALLOY NIPPLE |
| Material | NICKEL ALLOY BOLT |
| Material | ALUMINUM ALLOY BODY |
| 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-1546A3-2-40 PRIMARY | Hydrasearch Company, Llc (USA) |
NSN 4730-01-706-8294 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 4730-01-706-8294 has 1 manufacturer part number on file: EF-1546A3-2-40 (Hydrasearch Company, Llc).
Key specifications for EF-1546A3-2-40: Flange Shape: ROUND WITH HOLES FIRST END; Flange Thickness: 0.810 INCHES NOMINAL FIRST END IN; Connection Style: INTERNAL SECOND END; Connection Style: FLANGED TO GROOVED CLAMP (FEMALE)(HOSE) FIRST END. 16 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.