The Parts Kit,split Flange, cataloged under National Stock Number 4730-01-546-0291, 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 Danfoss Power Solutions II, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-546-0291 |
| Primary Part Number | BUTVAL-4DURO |
| Item Name | Parts Kit,split Flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| BUTVAL-4DURO | Danfoss Power Solutions II, Llc (USA) |
| BUTVAL-4 | Danfoss Power Solutions II, Llc (USA) |
| 0421C30-6100-8 | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 0421C30-6100 | D/9 Drawing number reference only The Entwistle Company Llc |
| BUTVAL-4DURO | 5/9 Secondary reference Durodyne Inc. |
| BUTVAL-4 | 3/9 Design control — primary reference Durodyne Inc. |
NSN 4730-01-546-0291 is a Parts Kit,split Flange, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-546-0291 has 3 manufacturer part numbers on file: BUTVAL-4DURO (Danfoss Power Solutions II, Llc), BUTVAL-4 (Danfoss Power Solutions II, Llc), 0421C30-6100-8 (The Entwistle Company Llc).
Key specifications for BUTVAL-4DURO: Special Features: KIT CONSIST OF NUTS, BOLTS, WASHERS AND GASKETS, 2 KITS REQUIRED, USED ON THE RECEIPT Y ASSEMBLY; Part Name Assigned by Controlling Agency: HARDWARE KIT; End Item Identification: HELICOPTER, SUPER JOLLY H-53. 0 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.