PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

140638Adapter,straight,pipe to Tube

General Motors Llc Dba General Motors Llc · NSN 4730-00-289-0368 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-0368 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-0368. Primary manufacturer part number: 140638.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Thread Size: 0.625 INCHES FIRST END IN
  • Thread Series Designator: NPTF SECOND END
  • Nominal Pipe Size Accommodated: 0.375 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Nominal Overall Length: 1.375 INCHES IN
  • Connection Style: PLAIN (PIPE) SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 11 Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-289-0368, 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 General Motors Llc Dba General Motors Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-289-0368
Primary Part Number140638
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Nominal Thread Size0.625 INCHES FIRST END IN
Thread Series DesignatorNPTF SECOND END
Nominal Pipe Size Accommodated0.375 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection TypeTHREADED INTERNAL PIPE SECOND END
Nominal Overall Length1.375 INCHES IN
Connection StylePLAIN (PIPE) SECOND END
Seat Angle45.0 DEGREES FIRST END
Thread Series DesignatorUNF FIRST END
Specification/standard Data81343-SAEJ513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nominal Thread Size0.375 INCHES SECOND END IN
MaterialCOPPER ALLOY 11 OVERALL
Connection StyleFLARED (TUBE) FIRST END
Thread Class2A FIRST END A
Nondefinitive Spec/std Data4 FIGURE
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-203-31792001-8-8B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Danfoss Power Solutions II, Llc
4730-00-266-0534SAE J512 4-6 010102B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-266-0536J512 5-4 010102B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-266-05410104-6-8B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
4730-00-270-4606SAE J512 6-4 010103B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-277-7773SAE J512 6-4 010101B INTERCHANGEABLE
Nipple,tube
Sae International Dba Sae International
4730-00-289-03784-2 010103BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-289-0379SAE J513 4-4 010103B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-319-3823 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-00-439-1722SAE J512 6-6 010102B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
46F3-8X3-8 Imperial (USA)
U3-6C Kerotest Manufacturing Corp. (USA)
ASAB70-1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
SAE-J513 Sae International Dba Sae International (USA)
0204-6-6B Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
0204-6-6B Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
6-6010103B Society of Automotive Engineers Inc (USA)
140638 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
6-6010103B Sae International Dba Sae International (USA)
J513 Sae International Dba Sae International (USA)
140638 PRIMARY General Motors Llc Dba General Motors Llc (USA)
SAE J513 6-6 010103B PRIMARY Sae International Dba Sae International (USA)
J513 Society of Automotive Engineers Inc (USA)
0204-6-6B Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
304 3-8 Kennecott Corp Chase Brass Group Cleveland Mill Div (USA)
MILF15049 Imperial (USA)
48F3-8X3-8 United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
Related Parts
4730-00-203-3179INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
2001-8-8B
4730-00-266-0534INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-6 010102B
4730-00-266-0536INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
J512 5-4 010102B
4730-00-266-0541INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
0104-6-8B
4730-00-270-4606INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 6-4 010103B
4730-00-277-7773INTERCHANGEABLE
NIPPLE,TUBE
SAE J512 6-4 010101B
4730-00-289-0378INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4-2 010103BA
4730-00-289-0379INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J513 4-4 010103B
4730-00-319-3823INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-439-1722INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 6-6 010102B
4730-00-480-7401INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
46F-6-8
4730-00-541-3074INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4730-00-289-0368?

NSN 4730-00-289-0368 is a Adapter,straight,pipe to Tube, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-289-0368?

NSN 4730-00-289-0368 has 17 cross-referenced part numbers: 46F3-8X3-8 (Imperial), U3-6C (Kerotest Manufacturing Corp.), ASAB70-1 (American National Standards Institute Incorporated Dba American National Standards Institute), SAE-J513 (Sae International Dba Sae International), 0204-6-6B (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division) and 12 more.

What NSN replaces 4730-00-289-0368?

There are 12 known substitutes for 4730-00-289-0368: 4730-00-203-3179, 4730-00-266-0534, 4730-00-266-0536 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 140638?

Key specifications for 140638: Nominal Thread Size: 0.625 INCHES FIRST END IN; Thread Series Designator: NPTF SECOND END; Nominal Pipe Size Accommodated: 0.375 INCHES SECOND END IN; Connection Type: THREADED EXTERNAL TUBE FIRST END. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-289-0368 still in active supply?

NSN 4730-00-289-0368 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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