NSN 4730-01-691-9266 · NIIN 016919266 · Part number RWQF09
Cospolich Inc. · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 66682
Government record, cited
NSN 4730-01-691-9266 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-691-9266. Manufacturer of record part number: RWQF09.
Also searched as4730-01-691-9266 ·
4730016919266 ·
NIIN 016919266 ·
01-691-9266 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 66682 · RWQF09 · 6543K55
4730-01-691-9266 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Coupling Assembly,quick Disconne — FSC 4730
Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which Designed: AIR FIRST RESPONSE
Media for Which Designed: GAS SECOND RESPONSE
Material: STEEL CORROSION RESISTING BODY
2 manufacturer part numbers on file
Manufacturer of record: Cospolich Inc.
Identification
NSN: 4730-01-691-9266
NIIN: 016919266
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: RWQF09
Manufacturer: Cospolich Inc.
General Description
The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-691-9266, 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 4 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. Current acquisition status: Active.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE
Frequently Asked Questions
What is NSN 4730-01-691-9266?
NSN 4730-01-691-9266 is a Coupling Assembly,quick Disconne, manufactured by Cospolich Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-691-9266?
NSN 4730-01-691-9266 has 2 manufacturer part numbers on file: RWQF09 (Cospolich Inc.), 6543K55 (Mcmaster-Carr Supply Co).
What are the specifications of RWQF09?
Key specifications for RWQF09: Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Media for Which Designed: AIR FIRST RESPONSE; Media for Which Designed: GAS SECOND RESPONSE; Part Name Assigned by Controlling Agency: 303 STAINLESS STEEL OPEN-FLOW HOSE COUPLING. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-691-9266 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.