NSN 4730-01-545-5952 · NIIN 015455952 · Part number 7646662 ITEM F-6
Naval Sea Systems Command · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 53711
Government record, cited
NSN 4730-01-545-5952 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-545-5952. Manufacturer of record part number: 7646662 ITEM F-6.
4730-01-545-5952 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Reducer,tube — FSC 4730
Connection Style: SOCKET (TUBE) SECOND END
Connection Style: SOCKET (TUBE) FIRST END
Connection Type: UNTHREADED INTERNAL TUBE FIRST END
Connection Type: UNTHREADED INTERNAL TUBE SECOND END
Nominal Outside Diameter Tube Accommodated: 0.750 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated: 0.875 INCHES FIRST END IN
Media for Which Designed: REFRIGERATION COMPOUND SINGLE RESPONSE
Identification
NSN: 4730-01-545-5952
NIIN: 015455952
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 7646662 ITEM F-6
Manufacturer: Naval Sea Systems Command
General Description
The Reducer,tube, cataloged under National Stock Number 4730-01-545-5952, 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 Naval Sea Systems Command. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 4730-01-545-5952 is a Reducer,tube, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-545-5952?
NSN 4730-01-545-5952 has 2 manufacturer part numbers on file: 7646662 ITEM F-6 (Naval Sea Systems Command), W01035 (Mueller Refrigeration Products Co).
What NSN replaces 4730-01-545-5952?
6 possible matches (shared part number, not a government interchangeability claim): 4730-01-545-6473, 4730-01-545-7044, 4730-01-545-7128. Verify interchangeability with system specifications before substitution.
What are the specifications of 7646662 ITEM F-6?
Key specifications for 7646662 ITEM F-6: Connection Style: SOCKET (TUBE) SECOND END; Connection Style: SOCKET (TUBE) FIRST END; Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Connection Type: UNTHREADED INTERNAL TUBE SECOND END. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-545-5952 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.