NSN 4730-00-345-1540 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-345-1540. Manufacturer of record part number: 226111.
Also searched as4730-00-345-1540 ·
4730003451540 ·
NIIN 003451540 ·
00-345-1540 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 77445 · 226111
4730-00-345-1540 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Reducer,tube,compre — FSC 4730
1 manufacturer part number on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 4730-00-345-1540
NIIN: 003451540
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 226111
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Reducer,tube,compre, cataloged under National Stock Number 4730-00-345-1540, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
6685-00-621-2439POSSIBLE MATCH
GAGE,PRESSURE,DIAL INDICATING
BAC160-25RC
5360-01-164-8295POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
226-111
4730-01-669-4369POSSIBLE MATCH
REDUCER,TUBE
Frequently Asked Questions
What is NSN 4730-00-345-1540?
NSN 4730-00-345-1540 is a Reducer,tube,compre, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-00-345-1540?
NSN 4730-00-345-1540 has 1 manufacturer part number on file: 226111 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What NSN replaces 4730-00-345-1540?
3 possible matches (shared part number, not a government interchangeability claim): 6685-00-621-2439, 5360-01-164-8295, 4730-01-669-4369. Verify interchangeability with system specifications before substitution.
Is NSN 4730-00-345-1540 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.