PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68AB-6-2Adapter,straight,pipe to Tube

Parker-Hannifin Corp Div Fluid System Connector Division · NSN 4730-00-142-3075 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-142-3075 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-142-3075. Primary manufacturer part number: 68AB-6-2.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
  • Seat Angle: 20.0 DEGREES FIRST END
  • Material: COPPER ALLOY 360 OVERALL
  • Nominal Thread Size: 0.125 INCHES SECOND END IN
  • Nondefinitive Spec/std Data: 1A FIGURE A
  • Thread Series Designator: NPTF SECOND END
  • Nominal Thread Size: 0.531 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 360 Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-142-3075, 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 Corp Div Fluid System Connector Division. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-142-3075
Primary Part Number68AB-6-2
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corp Div Fluid System Connector Division
StatusCANCELLED
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Seat Angle20.0 DEGREES FIRST END
MaterialCOPPER ALLOY 360 OVERALL
Nominal Thread Size0.125 INCHES SECOND END IN
Nondefinitive Spec/std Data1A FIGURE A
Thread Series DesignatorNPTF SECOND END
Nominal Thread Size0.531 INCHES FIRST END IN
Specification/standard Data81343-J246 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Media for Which DesignedGAS FIRST RESPONSE
Media for Which DesignedAIR SECOND RESPONSE
Connection StylePLAIN (PIPE) SECOND END
Thread Quantity Per Inch24 FIRST END
Connection StyleFLARELESS (TUBE) FIRST END
Nominal Overall Length1.010 INCHES IN
Thread Pitch Diameters+0.4990 TO 0.5030 INCHES FIRST END IN
Material Document and ClassificationQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Furnished Items and Quantity1 TUBE COUPLING NUT W/SLEEVE
Thread Series DesignatorUNS FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-202-7301205509N INTERCHANGEABLE
Adapter,straight,pipe to Tube
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
1650-00-351-4194205509-7 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Parker-Hannifin Corporation Dba Control Systems Division
1650-00-351-4652205509-9 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Parker-Hannifin Corporation Dba Control Systems Division
4320-00-689-3205317060 INTERCHANGEABLE
Pump,rotary
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5306-01-201-9821373-006-1 INTERCHANGEABLE
Bolt
Vermeer Manufacturing Company Dba Vermeer Corporation
5315-01-659-9313373-006 INTERCHANGEABLE
Pin,straight,headed
Malabar
Cross-Reference Index
Part NumberManufacturer
MS39179-4 Mindeco Corp (USA)
570863 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
504282 Spalla Inc (USA)
205509 Corbitt Co Inc (USA)
6-2 120102BA Society of Automotive Engineers Inc (USA)
J246 Society of Automotive Engineers Inc (USA)
SAE-J246 Sae International Dba Sae International (USA)
504282 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
MS39179-42 Hydro-Fitting Manufacturing Corporation (USA)
MS39179-42 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
6-2 120102BA Sae International Dba Sae International (USA)
68AB-6-2 PRIMARY Parker-Hannifin Corp Div Fluid System Connector Division (USA)
5305002030595 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
41X320 Haldex Brake Products Corporation (USA)
VS68AB-6-2 PRIMARY Parker-Hannifin Corp Div Fluid System Connector Division (USA)
205509 Paccar Government Group Co Yarrow Bay Office Pk (USA)
SAE J246 6-2 120102BA PRIMARY Sae International Dba Sae International (USA)
MS39179-42 Pacific Hi-Temp Hardware Co., Inc. (USA)
J246 Sae International Dba Sae International (USA)
63AX1107 Mack Trucks Inc Parts Opn (USA)
Related Parts
4730-00-202-7301INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
205509N
1650-00-351-4194INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
205509-7
1650-00-351-4652INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
205509-9
4320-00-689-3205INTERCHANGEABLE
PUMP,ROTARY
317060
5306-01-201-9821INTERCHANGEABLE
BOLT
373-006-1
5315-01-659-9313INTERCHANGEABLE
PIN,STRAIGHT,HEADED
373-006

Frequently Asked Questions

What is NSN 4730-00-142-3075?

NSN 4730-00-142-3075 is a Adapter,straight,pipe to Tube, manufactured by Parker-Hannifin Corp Div Fluid System Connector Division, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-142-3075?

NSN 4730-00-142-3075 has 25 cross-referenced part numbers: MS39179-4 (Mindeco Corp), 570863 (U S Army Tank Automotive Command Amsta-Im-Mm), 504282 (Spalla Inc), 205509 (Corbitt Co Inc), 6-2 120102BA (Society of Automotive Engineers Inc) and 20 more.

What NSN replaces 4730-00-142-3075?

There are 6 known substitutes for 4730-00-142-3075: 4730-00-202-7301, 1650-00-351-4194, 1650-00-351-4652 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 68AB-6-2?

Key specifications for 68AB-6-2: Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN; Seat Angle: 20.0 DEGREES FIRST END; Material: COPPER ALLOY 360 OVERALL; Nominal Thread Size: 0.125 INCHES SECOND END IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-142-3075 still in active supply?

NSN 4730-00-142-3075 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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