The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-694-0417, 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 Cospolich 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-694-0417 |
| Primary Part Number | RWQF11 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cospolich Inc. |
| Status | ACTIVE |
| Nominal Width Across Flats | 1.130 INCHES IN |
| Flow Angle | 180.0 DEGREES |
| Style Designator | COUPLING ASSEMBLY |
| Nominal Thread Size | 0.500 INCHES SECOND FLUID END CONNECTION IN |
| Media for Which Designed | WATER SINGLE RESPONSE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPTF SECOND FLUID END CONNECTION |
| 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 |
|---|---|
| RWQF11 PRIMARY | Cospolich Inc. (USA) |
| 4HK-LL4-K26 PRIMARY | Tuthill Corp Hansen Coupling Div (USA) |
| LL4KP26 | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| LL4KP26 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 4730-01-694-0417 is a Coupling Assembly,quick Disconne, manufactured by Cospolich Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-694-0417 has 3 manufacturer part numbers on file: RWQF11 (Cospolich Inc.), 4HK-LL4-K26 (Tuthill Corp Hansen Coupling Div), LL4KP26 (Danfoss Power Solutions II, Llc).
Key specifications for RWQF11: Nominal Width Across Flats: 1.130 INCHES IN; Flow Angle: 180.0 DEGREES; Style Designator: COUPLING ASSEMBLY; Overall Length: 2.030 INCHES NOMINAL IN. 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.