PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SAE J513 4 010166BNut,tube Coupling

Sae International Dba Sae International · NSN 4730-00-189-2737 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-189-2737 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-189-2737. Primary manufacturer part number: SAE J513 4 010166B.
Features
  • Nut,tube Coupling — FSC 4730
  • Length to Shoulder: 0.440 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 20
  • Smallest Inside Diameter: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
  • Nominal Tube Outside Diameter: 0.250 INCHES IN
  • Width Across Flats: 0.625 INCHES NOMINAL IN
  • Specification/standard Data: 81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nut Height: 0.590 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 4730-00-189-2737, 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 Sae International Dba Sae International. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 45 commercial cross-references from 27 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-189-2737
Primary Part NumberSAE J513 4 010166B
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Length to Shoulder0.440 INCHES NOMINAL IN
Thread Quantity Per Inch20
Smallest Inside Diameter0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Nominal Tube Outside Diameter0.250 INCHES IN
Width Across Flats0.625 INCHES NOMINAL IN
Specification/standard Data81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nut Height0.590 INCHES NOMINAL IN
Nominal Thread Size0.438 INCHES IN
Thread SeriesUNF
Nut StyleTUBE COUPLING
Nominal Thread Size0.438 INCHES IN
Material Document and ClassificationQQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 377 OVERALL
MaterialCOPPER ALLOY 377 OVERALL
Length to Shoulder0.440 INCHES NOMINAL IN
Thread SeriesUNF
Specification/standard Data81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Seat Angle45.0 DEGREES NOMINAL
Thread DirectionRIGHT-HAND
Width Across Flats0.625 INCHES NOMINAL IN
Nominal Tube Outside Diameter0.250 INCHES IN
Material Document and ClassificationQQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Class2B
Smallest Inside Diameter0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Seat Angle45.0 DEGREES NOMINAL
Nut Height0.590 INCHES NOMINAL IN
Nondefinitive Spec/std Data36A FIGURE A
Nut StyleTUBE COUPLING
Nondefinitive Spec/std Data36A FIGURE A
Thread Quantity Per Inch20
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5120-00-224-9255 INTERCHANGEABLE
Bar,socket Wrench Handle
5330-00-352-5864 INTERCHANGEABLE
Seal,plain Encased
5930-00-492-7900A5051 INTERCHANGEABLE
Switch,rotary
Rlc Electronics, Inc
1680-00-554-6593695694-1 INTERCHANGEABLE
Shaft Assembly,flexible
B.w. Elliott Manufacturing Co., Llc
3110-00-555-5207 INTERCHANGEABLE
Bearing,ball,annular
5945-00-793-9848 INTERCHANGEABLE
Relay
5342-01-090-6915B-307-1 INTERCHANGEABLE
Bracket
General Devices Co Inc
4730-01-201-2255 INTERCHANGEABLE
Nut,tube Coupling
6515-01-581-977950983-1 INTERCHANGEABLE
Pocket,backpack,medical Trauma
Arnold's Welding Service, Inc.
6515-01-713-84085098-31 INTERCHANGEABLE
Sphygmomanometer
Welch Allyn, Inc.
Cross-Reference Index
Part NumberManufacturer
SAE J513 4 010166B PRIMARY Sae International Dba Sae International (USA)
A5051 Mueller Brass Co. (USA)
J513 Sae International Dba Sae International (USA)
4730PL0869732 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1114X4 Essex Brass Corporation (USA)
001535 Beatrice Foods Co Taylor Freezer Div (USA)
15-02-8026 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MS35872-2 Unifab Industries Inc (USA)
7891-051REVDPC10 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
S1831 Ready Power Co the (USA)
613539 White Consolidated Industries Inc Frigidaire Div (USA)
B307-1 Harvey Sid Inc (USA)
452 Johnson Controls Navy Systems, Llc (USA)
J513 Society of Automotive Engineers Inc (USA)
14FS-4 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
4730001892737 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
613539 General Motors Corp (USA)
585-516-1714598APC10 Naval Ship Systems Command (USA)
NS4-4 Mueller Brass Co. (USA)
5-13-2007-2-27 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
Related Parts
5120-00-224-9255INTERCHANGEABLE
BAR,SOCKET WRENCH HANDLE
5330-00-352-5864INTERCHANGEABLE
SEAL,PLAIN ENCASED
5930-00-492-7900INTERCHANGEABLE
SWITCH,ROTARY
A5051
1680-00-554-6593INTERCHANGEABLE
SHAFT ASSEMBLY,FLEXIBLE
695694-1
3110-00-555-5207INTERCHANGEABLE
BEARING,BALL,ANNULAR
5945-00-793-9848INTERCHANGEABLE
RELAY
5342-01-090-6915INTERCHANGEABLE
BRACKET
B-307-1
4730-01-201-2255INTERCHANGEABLE
NUT,TUBE COUPLING
6515-01-581-9779INTERCHANGEABLE
POCKET,BACKPACK,MEDICAL TRAUMA
50983-1
6515-01-713-8408INTERCHANGEABLE
SPHYGMOMANOMETER
5098-31

Frequently Asked Questions

What is NSN 4730-00-189-2737?

NSN 4730-00-189-2737 is a Nut,tube Coupling, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-189-2737?

NSN 4730-00-189-2737 has 45 cross-referenced part numbers: SAE J513 4 010166B (Sae International Dba Sae International), A5051 (Mueller Brass Co.), J513 (Sae International Dba Sae International), 4730PL0869732 (Jednolity Indeks Materialowy - Uniform Material Index), 1114X4 (Essex Brass Corporation) and 40 more.

What NSN replaces 4730-00-189-2737?

There are 10 known substitutes for 4730-00-189-2737: 5120-00-224-9255, 5330-00-352-5864, 5930-00-492-7900 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SAE J513 4 010166B?

Key specifications for SAE J513 4 010166B: Length to Shoulder: 0.440 INCHES NOMINAL IN; Thread Quantity Per Inch: 20; Smallest Inside Diameter: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Nominal Tube Outside Diameter: 0.250 INCHES IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-189-2737 still in active supply?

NSN 4730-00-189-2737 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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