The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-083-1867, 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 Curtiss-Wright Controls Integrated Sensing, Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-083-1867 |
| Primary Part Number | 550044-30-002 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Curtiss-Wright Controls Integrated Sensing, Inc. |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Nominal Thread Size | 3.000 INCHES ALL ENDS IN |
| Material | ALUMINUM ALLOY BODY |
| Quick Disconnect Method | QUICK LEAD THREAD ALL ENDS |
| Thread Series Designator | NPT ALL ENDS |
| Furnished Items | CAP AND CHAIN AND GASKET |
| 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 |
|---|---|
| 550044-30-002 PRIMARY | Curtiss-Wright Controls Integrated Sensing, Inc. (USA) |
| 20025203 | Curtiss-Wright Controls Integrated Sensing, Inc. (USA) |
| 8991180 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 8991180 | 5/9 Secondary reference Sequel Systems Inc. Dba S S I |
| 550044-30-002 | 3/9 Design control — primary reference Futurecraft Corp Sub of South Bend Controls Inc |
NSN 4730-00-083-1867 is a Coupling Half,quick Disconnect, manufactured by Curtiss-Wright Controls Integrated Sensing, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-083-1867 has 3 manufacturer part numbers on file: 550044-30-002 (Curtiss-Wright Controls Integrated Sensing, Inc.), 20025203 (Curtiss-Wright Controls Integrated Sensing, Inc.), 8991180 (Us Army Aviation and Missile Command).
Key specifications for 550044-30-002: Connection Style: PLAIN ALL ENDS; Style Designator: MALE COUPLING HALF; Nominal Thread Size: 3.000 INCHES ALL ENDS IN; Special Features: USED W/LIQUID NITROGEN. 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.