The Parts Kit,split Flange, cataloged under National Stock Number 4730-01-545-1791, 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 The Entwistle Company Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-545-1791 |
| Primary Part Number | 0421C30-1130 |
| Item Name | Parts Kit,split Flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Component Quantity | 34 |
| Document Type | DESIGN CONTROL DRAWING |
| Component Document Page Number | 1 |
| Document Identification | 0421C0-1130 |
| Supply Items and Quantities | 5/8 X 3-1/2, GR.2 HHCS ZINC PLATED CAP BOLT 8EA, 5/8 FINISHED HEX NUT, ZINC PLATED 8EA, USS FLAT WASHER, ZINC PLATED 16 EA, 1/16" GARLOCK 3000 GASKET 2 EA |
| Component Document Origin | INDUSTRIAL |
| Document Source | 20722 |
| 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 |
|---|---|
| 0421C30-1130 | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| BALVAL-3 | C/1 Advisory reference — outside the item-of-supply concept Danfoss Power Solutions II, Llc |
| BALVAL-3 | 3/9 Design control — primary reference Durodyne Inc. |
NSN 4730-01-545-1791 is a Parts Kit,split Flange, manufactured by The Entwistle Company Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-545-1791 has 1 manufacturer part number on file: 0421C30-1130 (The Entwistle Company Llc).
Key specifications for 0421C30-1130: Component Quantity: 34; Document Type: DESIGN CONTROL DRAWING; Component Document Page Number: 1; Document Identification: 0421C0-1130. 7 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.