PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68FAdapter,straight,pipe to Tube

Imperial · NSN 4730-00-289-5227 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-5227 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-5227. Primary manufacturer part number: 68F.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Connection Style: PLAIN (PIPE) SECOND END
  • Thread Series Designator: NPTF SECOND END
  • Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN
  • Nominal Overall Length: 1.281 INCHES IN
  • Nominal Thread Size: 0.625 INCHES FIRST END IN
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-289-5227, 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 Imperial. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-289-5227
Primary Part Number68F
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerImperial
StatusACTIVE
Connection StylePLAIN (PIPE) SECOND END
Thread Series DesignatorNPTF SECOND END
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Nominal Overall Length1.281 INCHES IN
Nominal Thread Size0.625 INCHES FIRST END IN
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Nominal Thread Size0.250 INCHES SECOND END IN
Seat Nominal Radius0.062 INCHES FIRST END IN
Connection StyleCOMPRESSION (TUBE) FIRST END
MaterialCOPPER ALLOY OVERALL
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Furnished Items and Quantity1 LOCKNUT
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Class2A FIRST END A
Thread Series DesignatorUNF FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-270-4621701X7-16X1-4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
United Technologies Automotive Inc Components Div
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
4730-00-684-7223SAE J512 6-8 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
68F Imperial (USA)
Related Parts
4730-00-270-4621INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
701X7-16X1-4
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
4730-00-684-7223INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 6-8 060102BA

Frequently Asked Questions

What is NSN 4730-00-289-5227?

NSN 4730-00-289-5227 is a Adapter,straight,pipe to Tube, manufactured by Imperial, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-289-5227?

NSN 4730-00-289-5227 has 1 cross-referenced part number: 68F (Imperial).

What NSN replaces 4730-00-289-5227?

There are 5 known substitutes for 4730-00-289-5227: 4730-00-270-4621, 4730-00-273-8561, 4730-00-278-4357 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 68F?

Key specifications for 68F: Connection Style: PLAIN (PIPE) SECOND END; Thread Series Designator: NPTF SECOND END; Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Nominal Overall Length: 1.281 INCHES IN. 15 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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