The Retainer,coupling, cataloged under National Stock Number 4730-01-616-2223, 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 Rtx Corporation Div Pratt & Whitney. Government technical data includes 3 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 | 4730-01-616-2223 |
| Primary Part Number | 4950017 |
| Item Name | Retainer,coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Outside Diameter | 4.15 INCHES NOMINAL IN |
| Inside Diameter | 4.0 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 4950017 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
NSN 4730-01-616-2223 is a Retainer,coupling, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-616-2223 has 1 manufacturer part number on file: 4950017 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4950017: Outside Diameter: 4.15 INCHES NOMINAL IN; Inside Diameter: 4.0 INCHES NOMINAL IN; Special Features: NEXT HIGHER-AUX PWR UNIT P/N 4505950D CAGE 55820,BARE APU ASSY; Part Name Assigned by Controlling Agency: CLAMP,V-BAND. 3 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.