The Coupling,gearbox Scavenge, cataloged under National Stock Number 4730-00-365-0774, 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 Dba Pratt & Whitney Div Pratt &whitney. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupling,gearbox Scavenge |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Rtx Corporation Div Pratt & Whitney (CAGE 52661); Whitcraft South Windsor Llc Dba Pursuit Aerospace (CAGE 0Y4S6) |
| Parameter | Value |
|---|---|
| NSN | 4730-00-365-0774 |
| Primary Part Number | 4023577 |
| Item Name | Coupling,gearbox Scavenge |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4023577 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4023577 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4023577 | Whitcraft South Windsor Llc Dba Pursuit Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 4023577 | 5/9 Secondary reference Aero Tube Technologies, Llc Dba Tube Bends |
| 4023577 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 4730-00-365-0774 is a Coupling,gearbox Scavenge, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-365-0774 has 3 manufacturer part numbers on file: 4023577 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4023577 (Rtx Corporation Div Pratt & Whitney), 4023577 (Whitcraft South Windsor Llc Dba Pursuit Aerospace).
2 possible matches (shared part number, not a government interchangeability claim): 5962-00-548-1644, 5330-00-559-7761. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4730-00-365-0774 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.