PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

83051-6Coupling Body,tube

Transdigm Inc Div Adelwiggins Group · NSN 4730-00-030-5881 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-030-5881 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-030-5881. Primary manufacturer part number: 83051-6.
Features
  • Coupling Body,tube — FSC 4730
  • Thread Direction: RIGHT-HAND
  • Tube Outside Diameter for Which Designed: 0.375 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 2014
  • Style Designator: FLEXIBLE COUPLING BODY
  • Surface Treatment: ANODIZE
  • Screw Thread Series Designator: UN
  • Outside Diameter: 0.810 INCHES MAXIMUM IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 2014 construction
General Description

The Coupling Body,tube, cataloged under National Stock Number 4730-00-030-5881, 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. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-030-5881
Primary Part Number83051-6
Item NameCoupling Body,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTransdigm Inc Div Adelwiggins Group
StatusACTIVE
Thread DirectionRIGHT-HAND
Tube Outside Diameter for Which Designed0.375 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2014
Style DesignatorFLEXIBLE COUPLING BODY
Surface TreatmentANODIZE
Screw Thread Series DesignatorUN
Outside Diameter0.810 INCHES MAXIMUM IN
Thread Size0.812-12
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3455-01-044-4146CRM36-2 INTERCHANGEABLE
Cutter,milling,end
Brubaker Tool Corp
5950-01-069-7126 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
GC550EG6B Northrop Grumman Systems Corporation (USA)
83051-6 PRIMARY Transdigm Inc Div Adelwiggins Group (USA)
Related Parts
3455-01-044-4146INTERCHANGEABLE
CUTTER,MILLING,END
CRM36-2
5950-01-069-7126INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 4730-00-030-5881?

NSN 4730-00-030-5881 is a Coupling Body,tube, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-030-5881?

NSN 4730-00-030-5881 has 2 cross-referenced part numbers: GC550EG6B (Northrop Grumman Systems Corporation), 83051-6 (Transdigm Inc Div Adelwiggins Group).

What NSN replaces 4730-00-030-5881?

There are 2 known substitutes for 4730-00-030-5881: 3455-01-044-4146, 5950-01-069-7126. Verify interchangeability with system specifications before substitution.

What are the specifications of 83051-6?

Key specifications for 83051-6: Thread Direction: RIGHT-HAND; Tube Outside Diameter for Which Designed: 0.375 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2014; Style Designator: FLEXIBLE COUPLING BODY. 10 total characteristics are documented in the Federal Logistics Information System.

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