PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3605-20-24Coupling Assembly,tube,flexible

Transdigm Inc Div Adelwiggins Group · NSN 4730-00-303-6103 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-303-6103 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-303-6103. Primary manufacturer part number: 3605-20-24.
Features
  • Coupling Assembly,tube,flexible — FSC 4730
  • 10 verified cross-references
  • Primary manufacturer: Transdigm Inc Div Adelwiggins Group
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Coupling Assembly,tube,flexible, cataloged under National Stock Number 4730-00-303-6103, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Transdigm Inc Div Adelwiggins Group. This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCoupling Assembly,tube,flexible
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersTransdigm Inc Div Adelwiggins Group (CAGE 79326); Sae International Dba Sae International (CAGE 0U583); Northrop Grumman Systems Corporation (CAGE 26512); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210)
Technical Specifications
ParameterValue
NSN4730-00-303-6103
Primary Part Number3605-20-24
Item NameCoupling Assembly,tube,flexible
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTransdigm Inc Div Adelwiggins Group
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-303-6104 INTERCHANGEABLE
Coupling Assembly,tube,flexible
4730-00-303-6105 INTERCHANGEABLE
Coupling Assembly,tube,flexible
4730-00-311-1153 INTERCHANGEABLE
Coupling Assembly,tube,flexible
4730-00-311-1154 INTERCHANGEABLE
Coupling Assembly,tube,flexible
4730-00-311-1156AS5352-24D INTERCHANGEABLE
Coupling Assembly,tube,flexible
Sae International Dba Sae International
4730-00-315-6703 INTERCHANGEABLE
Coupling Assembly,tube,flexible
4730-00-319-4286 INTERCHANGEABLE
Coupling Assembly,tube,flexible
4730-00-326-5625 INTERCHANGEABLE
Coupling Assembly,tube,flexible
4730-00-475-5808 INTERCHANGEABLE
Coupling Assembly,tube,flexible
4730-00-475-5809 INTERCHANGEABLE
Coupling Assembly,tube,flexible
Cross-Reference Index
Part NumberManufacturer
3605-20-24 Transdigm Inc Div Adelwiggins Group (USA)
SAE-AS5356 Sae International Dba Sae International (USA)
GC550C20 Northrop Grumman Systems Corporation (USA)
MIL-DTL-85061 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-85061 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M85061-20A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-22263 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
234-015-9003 Honeywell International Inc. Div Aerospace - Torrance (USA)
AS5356-20D1 Sae International Dba Sae International (USA)
3605-20D Transdigm Inc Div Adelwiggins Group (USA)
Related Parts
4730-00-303-6104INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-303-6105INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-311-1153INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-311-1154INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-311-1156INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
AS5352-24D
4730-00-315-6703INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-319-4286INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-326-5625INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-475-5808INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-475-5809INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-475-5811INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-628-4196INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE

Frequently Asked Questions

What is NSN 4730-00-303-6103?

NSN 4730-00-303-6103 is a Coupling Assembly,tube,flexible, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-303-6103?

NSN 4730-00-303-6103 has 10 cross-referenced part numbers: 3605-20-24 (Transdigm Inc Div Adelwiggins Group), SAE-AS5356 (Sae International Dba Sae International), GC550C20 (Northrop Grumman Systems Corporation), MIL-DTL-85061 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-85061 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 4730-00-303-6103?

There are 12 known substitutes for 4730-00-303-6103: 4730-00-303-6104, 4730-00-303-6105, 4730-00-311-1153 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-303-6103 still in active supply?

NSN 4730-00-303-6103 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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