NSN 4730-01-133-5073 · NIIN 011335073 · Part number W903B-32C
Transdigm Inc Div Adelwiggins Group · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 79326
Government record, cited
NSN 4730-01-133-5073 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-133-5073. Manufacturer of record part number: W903B-32C.
4730-01-133-5073 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Ferrule,swage,tube Coupling — FSC 4730
Slot Quantity: 1
Style Designator: DOUBLE FLANGE (SEAL GROOVE)
Casehardening Indicator: NOT CASEHARDENED
Material: STEEL COMP 347
Flange Outside Diameter: 2.313 INCHES NOMINAL IN
Hose/tube Outside Diameter for Which Designed: 2.000 INCHES NOMINAL IN
2 manufacturer part numbers on file
Identification
NSN: 4730-01-133-5073
NIIN: 011335073
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: W903B-32C
Manufacturer: Transdigm Inc Div Adelwiggins Group
General Description
The Ferrule,swage,tube Coupling, cataloged under National Stock Number 4730-01-133-5073, 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 Transdigm Inc Div Adelwiggins Group. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 4730-01-133-5073 is a Ferrule,swage,tube Coupling, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-133-5073?
NSN 4730-01-133-5073 has 2 manufacturer part numbers on file: 14F03-32C (Hydraflow), W903B-32C (Transdigm Inc Div Adelwiggins Group).
What NSN replaces 4730-01-133-5073?
10 possible matches (shared part number, not a government interchangeability claim): 4730-01-140-6205, 4730-01-143-0167, 4730-01-164-7183. Verify interchangeability with system specifications before substitution.
What are the specifications of W903B-32C?
Key specifications for W903B-32C: Slot Quantity: 1; Style Designator: DOUBLE FLANGE (SEAL GROOVE); Overall Length: 0.854 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-133-5073 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.