The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-545-0919, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-545-0919 |
| Primary Part Number | 0421C20-1220-01 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Connection Style | CAM OR LEVER (EXTERNAL) FIRST QUICK DISCONNECT END |
| Mating End Identification | FEMALE CAM LOCKING |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Nominal Size | 6.000 INCHES FIRST QUICK DISCONNECT END IN |
| Basic Shape Style | ROUND SECOND FLUID END CONNECTION |
| Quick Disconnect Method | CAM-LOCKING FIRST QUICK DISCONNECT END |
| 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 |
|---|---|
| 0421C20-1220-01 | The Entwistle Company Llc (USA) |
| PF60AHD-33446W/PLUG | Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt (USA) |
| Reference | Meaning |
|---|---|
| PF60AHD-33446W/PLUG | C/1 Advisory reference — outside the item-of-supply concept Danfoss Power Solutions II, Llc |
| PF60AHD-33446W/PLUG | 3/9 Design control — primary reference Durodyne Inc. |
NSN 4730-01-545-0919 is a Coupling Half,quick Disconnect, manufactured by The Entwistle Company Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-545-0919 has 2 manufacturer part numbers on file: 0421C20-1220-01 (The Entwistle Company Llc), PF60AHD-33446W/PLUG (Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt).
Key specifications for 0421C20-1220-01: Connection Style: CAM OR LEVER (EXTERNAL) FIRST QUICK DISCONNECT END; Mating End Identification: FEMALE CAM LOCKING; Connection Type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END; Style Designator: MALE COUPLING HALF. 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.