NSN 4730-00-166-9409 · NIIN 001669409 · Part number PH4105
Illinois Tool Works Inc. · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 17431
Government record, cited
NSN 4730-00-166-9409 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-166-9409. Manufacturer of record part number: PH4105.
Also searched as4730-00-166-9409 ·
4730001669409 ·
NIIN 001669409 ·
00-166-9409 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 17431 · PH4105
4730-00-166-9409 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Reducer,pipe — FSC 4730
Connection Style: PLAIN (PIPE) FIRST END
Connection Style: PLAIN (PIPE) SECOND END
Connection Type: THREADED INTERNAL PIPE FIRST END
Connection Type: THREADED EXTERNAL PIPE SECOND END
Nominal Thread Size: 0.375 INCHES SECOND END IN
Nominal Thread Size: 0.250 INCHES FIRST END IN
Thread Series Designator: NPS ALL ENDS
Identification
NSN: 4730-00-166-9409
NIIN: 001669409
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: PH4105
Manufacturer: Illinois Tool Works Inc.
General Description
The Reducer,pipe, cataloged under National Stock Number 4730-00-166-9409, 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 Illinois Tool Works Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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 4730-00-166-9409?
NSN 4730-00-166-9409 is a Reducer,pipe, manufactured by Illinois Tool Works Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-00-166-9409?
NSN 4730-00-166-9409 has 1 manufacturer part number on file: PH4105 (Illinois Tool Works Inc.).
What are the specifications of PH4105?
Key specifications for PH4105: Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-166-9409 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.