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NSN 4730-01-642-7939Government record, cited

Coupling, Tube4730-01-642-7939

NSN 4730-01-642-7939 · NIIN 016427939 · Part number RWQF0048
Cospolich Inc. · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 66682
Government record, cited
NSN 4730-01-642-7939 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-642-7939. Manufacturer of record part number: RWQF0048.
Also searched as  4730-01-642-7939 · 4730016427939 · NIIN 016427939 · 01-642-7939 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 66682 · RWQF0048 · 5500-04-08
Nearby stock numbers  ·
Features
  • Coupling,tube — FSC 4730
  • Media for Which Designed: REFRIGERATION COMPOUND SINGLE RESPONSE
  • Material: COPPER ALLOY OVERALL
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Cospolich Inc.
Identification
  • NSN: 4730-01-642-7939
  • NIIN: 016427939
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: RWQF0048
  • Manufacturer: Cospolich Inc.
General Description

The Coupling,tube, cataloged under National Stock Number 4730-01-642-7939, 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 2 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.

Technical Specifications
ParameterValue
NSN4730-01-642-7939
Primary Part NumberRWQF0048
Item NameCoupling,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerCospolich Inc.
StatusACTIVE
Media for Which DesignedREFRIGERATION COMPOUND SINGLE RESPONSE
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
RWQF0048 PRIMARY Cospolich Inc. (USA)
5500-04-08 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
No interchangeability data on file.
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 4730-01-642-7939?

NSN 4730-01-642-7939 is a Coupling,tube, manufactured by Cospolich Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-642-7939?

NSN 4730-01-642-7939 has 2 manufacturer part numbers on file: RWQF0048 (Cospolich Inc.), 5500-04-08 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).

What are the specifications of RWQF0048?

Key specifications for RWQF0048: Media for Which Designed: REFRIGERATION COMPOUND SINGLE RESPONSE; Part Name Assigned by Controlling Agency: 1/2 INCH COUPLING IN; End Item Identification: UNDERCOUNTER REFRIGERATOR; Material: COPPER ALLOY OVERALL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-642-7939 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.
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