PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3668-8Nut Assembly,tube Coupling

Transdigm Inc Div Adelwiggins Group · NSN 4730-01-209-3460 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-209-3460 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-209-3460. Primary manufacturer part number: 3668-8.
Features
  • Nut Assembly,tube Coupling — FSC 4730
  • Thread Class: 3B
  • Style Designator: NUT ASSEMBLY
  • Material: STEEL CORROSION RESISTING
  • Screw Thread Series Designator: UNEF
  • Thread Size: 0.750-20
  • Thread Direction: RIGHT-HAND
  • Tube Outside Diameter for Which Designed: 0.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Nut Assembly,tube Coupling, cataloged under National Stock Number 4730-01-209-3460, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-209-3460
Primary Part Number3668-8
Item NameNut Assembly,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTransdigm Inc Div Adelwiggins Group
StatusACTIVE
Thread Class3B
Style DesignatorNUT ASSEMBLY
MaterialSTEEL CORROSION RESISTING
Screw Thread Series DesignatorUNEF
Thread Size0.750-20
Thread DirectionRIGHT-HAND
Tube Outside Diameter for Which Designed0.500 INCHES NOMINAL IN
Outside Diameter1.032 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-043-0333674-1326-00 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5325-00-657-158136688 INTERCHANGEABLE
Grommet,nonmetallic
Honeywell International Inc. Div Aerospace - Torrance
5962-01-130-4022 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
3668-8 PRIMARY Transdigm Inc Div Adelwiggins Group (USA)
Related Parts
5950-00-043-0333INTERCHANGEABLE
TRANSFORMER,POWER
674-1326-00
5325-00-657-1581INTERCHANGEABLE
GROMMET,NONMETALLIC
36688
5962-01-130-4022INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 4730-01-209-3460?

NSN 4730-01-209-3460 is a Nut Assembly,tube Coupling, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-209-3460?

NSN 4730-01-209-3460 has 1 cross-referenced part number: 3668-8 (Transdigm Inc Div Adelwiggins Group).

What NSN replaces 4730-01-209-3460?

There are 3 known substitutes for 4730-01-209-3460: 5950-00-043-0333, 5325-00-657-1581, 5962-01-130-4022. Verify interchangeability with system specifications before substitution.

What are the specifications of 3668-8?

Key specifications for 3668-8: Thread Class: 3B; Style Designator: NUT ASSEMBLY; Material: STEEL CORROSION RESISTING; Overall Length: 0.672 INCHES NOMINAL IN. 9 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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