PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U1-8EAdapter,straight,pipe to Tube

Kerotest Manufacturing Corp. · NSN 4730-00-319-3823 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-319-3823 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-319-3823. Primary manufacturer part number: U1-8E.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Seat Angle: 45.0 DEGREES FIRST END
  • Thread Class: 2A FIRST END A
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Thread Series Designator: UNF FIRST END
  • Thread Series Designator: NPT SECOND END
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 4730-00-319-3823, 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 Kerotest Manufacturing Corp.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 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
NSN4730-00-319-3823
Primary Part NumberU1-8E
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerKerotest Manufacturing Corp.
StatusCANCELLED
Seat Angle45.0 DEGREES FIRST END
Thread Class2A FIRST END A
Connection StylePLAIN (PIPE) SECOND END
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Series DesignatorUNF FIRST END
Thread Series DesignatorNPT SECOND END
Connection StyleFLARED (TUBE) FIRST END
Nominal Thread Size0.750 INCHES ALL ENDS IN
Nominal Overall Length1.940 INCHES IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-057-98508-4-010105B INTERCHANGEABLE
Reducer,tube
Sae International Dba Sae International
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
4730-00-289-0368140638 INTERCHANGEABLE
Adapter,straight,pipe to Tube
General Motors Llc Dba General Motors Llc
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
Cross-Reference Index
Part NumberManufacturer
U1-8E Kerotest Manufacturing Corp. (USA)
8-12 010102B Society of Automotive Engineers Inc (USA)
48F-8-12 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
ASAB70-1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
J513F Society of Automotive Engineers Inc (USA)
MILF15049 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SAE J512 8-12 010102B Sae International Dba Sae International (USA)
648F Imperial (USA)
SAE J512 8-12 010102B Society of Automotive Engineers Inc (USA)
648F 08-12 Imperial (USA)
Related Parts
4730-00-057-9850INTERCHANGEABLE
REDUCER,TUBE
8-4-010105B
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
4730-00-289-0368INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
140638
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
4730-00-439-1722INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 6-6 010102B
4730-00-480-7401INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
46F-6-8

Frequently Asked Questions

What is NSN 4730-00-319-3823?

NSN 4730-00-319-3823 is a Adapter,straight,pipe to Tube, manufactured by Kerotest Manufacturing Corp., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-319-3823?

NSN 4730-00-319-3823 has 10 cross-referenced part numbers: U1-8E (Kerotest Manufacturing Corp.), 8-12 010102B (Society of Automotive Engineers Inc), 48F-8-12 (Parker-Hannifin Corp Div Fluid System Connector Division), ASAB70-1 (American National Standards Institute Incorporated Dba American National Standards Institute), J513F (Society of Automotive Engineers Inc) and 5 more.

What NSN replaces 4730-00-319-3823?

There are 12 known substitutes for 4730-00-319-3823: 4730-00-057-9850, 4730-00-203-3179, 4730-00-266-0534 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U1-8E?

Key specifications for U1-8E: Seat Angle: 45.0 DEGREES FIRST END; Thread Class: 2A FIRST END A; Connection Style: PLAIN (PIPE) SECOND END; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-319-3823 still in active supply?

NSN 4730-00-319-3823 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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