PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

701X7-16X1-4Adapter,straight,pipe to Tube

United Technologies Automotive Inc Components Div · NSN 4730-00-270-4621 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-270-4621 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-270-4621. Primary manufacturer part number: 701X7-16X1-4.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Overall Length: 1.500 INCHES IN
  • Specification/standard Data: 81343-512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nondefinitive Spec/std Data: 12A FIGURE A
  • Nominal Outside Diameter Tube Accommodated: 0.438 INCHES FIRST END IN
  • Media for Which Designed: FLUID SECOND RESPONSE
  • Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 360 or Copper Alloy 377 Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-270-4621, 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 United Technologies Automotive Inc Components Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-270-4621
Primary Part Number701X7-16X1-4
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerUnited Technologies Automotive Inc Components Div
StatusCANCELLED
Nominal Overall Length1.500 INCHES IN
Specification/standard Data81343-512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Connection StylePLAIN (PIPE) SECOND END
Nondefinitive Spec/std Data12A FIGURE A
Nominal Outside Diameter Tube Accommodated0.438 INCHES FIRST END IN
Media for Which DesignedFLUID SECOND RESPONSE
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Series DesignatorNPTF SECOND END
Furnished Items and Quantity1 SHORT COUPLING NUT WITH SLEEVE
MaterialCOPPER ALLOY 360 OR COPPER ALLOY 377 OVERALL
Material Document and ClassificationQQ-B-626,COMP 22 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,COMP 21 FED SPEC 2ND MATERIAL RESPONSE OVERALL
Nominal Thread Size0.625 INCHES FIRST END IN
Seat Nominal Radius0.062 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StyleCOMPRESSION (TUBE) FIRST END
Nominal Thread Size0.250 INCHES SECOND END IN
Thread Series DesignatorUNEF FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Media for Which DesignedOIL FIRST RESPONSE
Thread Class2A FIRST END A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4730-00-273-8561 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-00-278-4357SAE J512 4-2 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-278-4574SAE J512 6-4 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-289-5227 INTERCHANGEABLE
Adapter,straight,pipe to Tube
5306-00-332-448674328-6-14 INTERCHANGEABLE
Bolt,close Tolerance
Sps Technologies, Llc Dba PB Fasteners
5340-00-461-8666 INTERCHANGEABLE
Handwheel
4730-00-684-7223SAE J512 6-8 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
6625-01-321-115211059A INTERCHANGEABLE
Lead Set,test
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
Cross-Reference Index
Part NumberManufacturer
W68X7 Dana Corp Weatherhead Div (USA)
68F7-16X1-4 Imperial (USA)
140291 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
68F Imperial (USA)
300-7-16X1-4 Essex Brass Corporation (USA)
J512A Society of Automotive Engineers Inc (USA)
S3-7-16-1-4 Eaton Corp Controls Div (USA)
701X7-16X1-4 PRIMARY United Technologies Automotive Inc Components Div (USA)
68C-7-4 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
SAE-J512 Sae International Dba Sae International (USA)
68X7 Danfoss Power Solutions II, Llc (USA)
SAE J512 7-4 060102BA PRIMARY Sae International Dba Sae International (USA)
J512A Sae International Dba Sae International (USA)
7-4 060102BA Society of Automotive Engineers Inc (USA)
7-4 060102BA Sae International Dba Sae International (USA)
68X7 Dana Corp Weatherhead Div (USA)
68F7-16X1-4 Planet Metal Products Corp
11059A Barnes Group Inc. Dba Barnes Distribution (USA)
W68X7 Danfoss Power Solutions II, Llc (USA)
Related Parts
4730-00-273-8561INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-278-4357INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-2 060102BA
4730-00-278-4574INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 6-4 060102BA
4730-00-289-5227INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
5306-00-332-4486INTERCHANGEABLE
BOLT,CLOSE TOLERANCE
74328-6-14
5340-00-461-8666INTERCHANGEABLE
HANDWHEEL
4730-00-684-7223INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 6-8 060102BA
6625-01-321-1152INTERCHANGEABLE
LEAD SET,TEST
11059A

Frequently Asked Questions

What is NSN 4730-00-270-4621?

NSN 4730-00-270-4621 is a Adapter,straight,pipe to Tube, manufactured by United Technologies Automotive Inc Components Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-270-4621?

NSN 4730-00-270-4621 has 19 cross-referenced part numbers: W68X7 (Dana Corp Weatherhead Div), 68F7-16X1-4 (Imperial), 140291 (Chrysler Realty Company Llc Dba Daimler Chrysler), 68F (Imperial), 300-7-16X1-4 (Essex Brass Corporation) and 14 more.

What NSN replaces 4730-00-270-4621?

There are 8 known substitutes for 4730-00-270-4621: 4730-00-273-8561, 4730-00-278-4357, 4730-00-278-4574 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 701X7-16X1-4?

Key specifications for 701X7-16X1-4: Nominal Overall Length: 1.500 INCHES IN; Specification/standard Data: 81343-512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Connection Style: PLAIN (PIPE) SECOND END; Nondefinitive Spec/std Data: 12A FIGURE A. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-270-4621 still in active supply?

NSN 4730-00-270-4621 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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