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NSN 4730-01-140-6205Government record, cited
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Ferrule, Brazing, Tube Fitting4730-01-140-6205

NSN 4730-01-140-6205 · NIIN 011406205 · Part number W903B8D
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 4730-01-140-6205 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-140-6205. Manufacturer of record part number: W903B8D.
Also searched as  4730-01-140-6205 · 4730011406205 · NIIN 011406205 · 01-140-6205 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 79326 · W903B8D · 4730PL0735820 · C7551 · C7551-5-8 · 14F03-8D
Nearby stock numbers  ·
L 0.749 INCHES MAXIMUM IN HOSE FITTING
4730-01-140-6205 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Ferrule,brazing,tube Fitting — FSC 4730
  • Style Designator: GASKET SEAL
  • Sleeve Outside Diameter: 0.513 INCHES MINIMUM AND 0.537 INCHES MAXIMUM IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Flange Width: 0.170 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY
  • Flange Outside Diameter: 0.689 INCHES MAXIMUM IN
  • Hose/tube Outside Diameter for Which Designed: 0.500 INCHES NOMINAL IN
Identification
  • NSN: 4730-01-140-6205
  • NIIN: 011406205
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: W903B8D
  • Manufacturer: Transdigm Inc Div Adelwiggins Group
General Description

The Ferrule,brazing,tube Fitting, cataloged under National Stock Number 4730-01-140-6205, 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 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-140-6205
Primary Part NumberW903B8D
Item NameFerrule,brazing,tube Fitting
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerTransdigm Inc Div Adelwiggins Group
StatusACTIVE
Style DesignatorGASKET SEAL
Sleeve Outside Diameter0.513 INCHES MINIMUM AND 0.537 INCHES MAXIMUM IN
Casehardening IndicatorNOT CASEHARDENED
Flange Width0.170 INCHES NOMINAL IN
MaterialALUMINUM ALLOY
Flange Outside Diameter0.689 INCHES MAXIMUM IN
Hose/tube Outside Diameter for Which Designed0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-143-016714J02-24A POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
Possible match (shared part number)Hydraflow
4730-01-164-7183W991-12DE POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
Possible match (shared part number)Transdigm Inc Div Adelwiggins Group
4730-01-166-8460W903B10D POSSIBLE MATCH
FERRULE,BRAZING,TUBE FITTING
Possible match (shared part number)Transdigm Inc Div Adelwiggins Group
4730-01-167-3004W902-10D POSSIBLE MATCH
FERRULE,SWAGE,TUBE COUPLING
Possible match (shared part number)Transdigm Inc Div Adelwiggins Group
4730-01-167-9299W903-10D POSSIBLE MATCH
FERRULE,BRAZING,TUBE FITTING
Possible match (shared part number)Transdigm Inc Div Adelwiggins Group
4730-01-170-0848W991-40DE POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
Possible match (shared part number)Transdigm Inc Div Adelwiggins Group
4730-01-173-473523DNFTCA4735 POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
Possible match (shared part number)Parts Life Inc
4730-01-174-3858HS4724-8DE POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
Possible match (shared part number)Transdigm Inc Div Adelwiggins Group
4730-01-175-5493HS4724-32DE POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
Possible match (shared part number)The Boeing Company
Cross-Reference Index
Part NumberManufacturer
W903B8D PRIMARY Transdigm Inc Div Adelwiggins Group (USA)
14F03-8D Hydraflow (USA)
Reference documents
ReferenceMeaning
4730PL0735820 6/9 Informative reference only
Jednolity Indeks Materialowy - Uniform Material Index
C7551 D/9 Drawing number reference only
U.S. Government activity
C7551-5-8 7/2 Vendor item drawing reference
U.S. Government activity
Related Parts
4730-01-143-0167POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
14J02-24A
4730-01-164-7183POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
W991-12DE
4730-01-166-8460POSSIBLE MATCH
FERRULE,BRAZING,TUBE FITTING
W903B10D
4730-01-167-3004POSSIBLE MATCH
FERRULE,SWAGE,TUBE COUPLING
W902-10D
4730-01-167-9299POSSIBLE MATCH
FERRULE,BRAZING,TUBE FITTING
W903-10D
4730-01-170-0848POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
W991-40DE
4730-01-173-4735POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
23DNFTCA4735
4730-01-174-3858POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
HS4724-8DE
4730-01-175-5493POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
HS4724-32DE

Frequently Asked Questions

What is NSN 4730-01-140-6205?

NSN 4730-01-140-6205 is a Ferrule,brazing,tube Fitting, 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 4730-01-140-6205?

NSN 4730-01-140-6205 has 2 manufacturer part numbers on file: W903B8D (Transdigm Inc Div Adelwiggins Group), 14F03-8D (Hydraflow).

What NSN replaces 4730-01-140-6205?

9 possible matches (shared part number, not a government interchangeability claim): 4730-01-143-0167, 4730-01-164-7183, 4730-01-166-8460. Verify interchangeability with system specifications before substitution.

What are the specifications of W903B8D?

Key specifications for W903B8D: Style Designator: GASKET SEAL; Overall Length: 0.749 INCHES MAXIMUM IN; Sleeve Outside Diameter: 0.513 INCHES MINIMUM AND 0.537 INCHES MAXIMUM IN; Casehardening Indicator: NOT CASEHARDENED. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-140-6205 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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