PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

759Nut,tube Coupling

Parker Hannifin Corporation Div Cylinder Division · NSN 4730-00-142-2179 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-142-2179 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-142-2179. Primary manufacturer part number: 759.
Features
  • Nut,tube Coupling — FSC 4730
  • Material: COPPER ALLOY OVERALL
  • Seat Angle: 45.00 DEGREES NOMINAL
  • Nominal Thread Size: 0.562 INCHES IN
  • Nominal Tube Outside Diameter: 0.375 INCHES IN
  • Thread Quantity Per Inch: 18
  • Width Across Flats: 0.688 INCHES NOMINAL IN
  • Smallest Inside Diameter: 0.375 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-00-142-2179, 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 Parker Hannifin Corporation Div Cylinder Division. Government technical data includes 12 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-142-2179
Primary Part Number759
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Cylinder Division
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Seat Angle45.00 DEGREES NOMINAL
Nominal Thread Size0.562 INCHES IN
Nominal Tube Outside Diameter0.375 INCHES IN
Thread Quantity Per Inch18
Width Across Flats0.688 INCHES NOMINAL IN
Smallest Inside Diameter0.375 INCHES NOMINAL IN
Nut Height1.094 INCHES NOMINAL IN
Nut StyleTUBE COUPLING
Thread SeriesUNF
Thread DirectionRIGHT-HAND
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-0688759 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5340-00-323-230117-6888-00-901 INTERCHANGEABLE
Clamp,bridge
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5330-00-368-2277 INTERCHANGEABLE
Gland,packing
5940-00-798-0737SMC357862 INTERCHANGEABLE
Terminal Board
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5985-00-832-4949SMC165143 INTERCHANGEABLE
Attenuator,fixed
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5915-00-833-4666 INTERCHANGEABLE
Filter,electrical
6150-01-136-4825759 INTERCHANGEABLE
Housing,electrical Rotating Equi
Cornell-Carr Co., Inc.
1630-01-274-8467075-09000 INTERCHANGEABLE
Plate,backing,brake
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
Cross-Reference Index
Part NumberManufacturer
7339223 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
759 PRIMARY Parker Hannifin Corporation Div Cylinder Division (USA)
Related Parts
3110-00-100-0688INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
759
5340-00-323-2301INTERCHANGEABLE
CLAMP,BRIDGE
17-6888-00-901
5330-00-368-2277INTERCHANGEABLE
GLAND,PACKING
5940-00-798-0737INTERCHANGEABLE
TERMINAL BOARD
SMC357862
5985-00-832-4949INTERCHANGEABLE
ATTENUATOR,FIXED
SMC165143
5915-00-833-4666INTERCHANGEABLE
FILTER,ELECTRICAL
6150-01-136-4825INTERCHANGEABLE
HOUSING,ELECTRICAL ROTATING EQUI
759
1630-01-274-8467INTERCHANGEABLE
PLATE,BACKING,BRAKE
075-09000

Frequently Asked Questions

What is NSN 4730-00-142-2179?

NSN 4730-00-142-2179 is a Nut,tube Coupling, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-142-2179?

NSN 4730-00-142-2179 has 2 cross-referenced part numbers: 7339223 (U S Army Tank Automotive Command Amsta-Im-Mm), 759 (Parker Hannifin Corporation Div Cylinder Division).

What NSN replaces 4730-00-142-2179?

There are 8 known substitutes for 4730-00-142-2179: 3110-00-100-0688, 5340-00-323-2301, 5330-00-368-2277 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 759?

Key specifications for 759: Material: COPPER ALLOY OVERALL; Seat Angle: 45.00 DEGREES NOMINAL; Nominal Thread Size: 0.562 INCHES IN; Nominal Tube Outside Diameter: 0.375 INCHES IN. 12 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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