PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125789Elbow,pipe to Tube

Cummins Inc. · NSN 4730-00-278-4753 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-4753 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-4753. Primary manufacturer part number: 125789.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Surface Treatment: CADMIUM OVERALL
  • Thread Series Designator: NPTF SECOND END
  • Connection Style: FLARELESS (TUBE) FIRST END
  • Leg Length: 1.125 INCHES NOMINAL FIRST END IN
  • Material: STEEL OR STEEL COMP 1212 OR STEEL COMP 1117 OVERALL
  • Seat Angle: 12.0 DEGREES FIRST END
  • Nominal Thread Size: 0.375 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel or Steel Comp 1212 or Steel Comp 1117 Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-278-4753, 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 Cummins Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-278-4753
Primary Part Number125789
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Surface TreatmentCADMIUM OVERALL
Thread Series DesignatorNPTF SECOND END
Connection StyleFLARELESS (TUBE) FIRST END
Leg Length1.125 INCHES NOMINAL FIRST END IN
MaterialSTEEL OR STEEL COMP 1212 OR STEEL COMP 1117 OVERALL
Seat Angle12.0 DEGREES FIRST END
Nominal Thread Size0.375 INCHES SECOND END IN
Connection StylePLAIN (PIPE) SECOND END
Flow Angle90.0 DEGREES
Leg Length1.188 INCHES NOMINAL SECOND END IN
Nominal Thread Size0.750 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Class2A FIRST END A
Thread Series DesignatorUNF FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5365-00-639-6895 INTERCHANGEABLE
Shim
Cross-Reference Index
Part NumberManufacturer
125789 PRIMARY Cummins Inc. (USA)
423191 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5365-00-639-6895INTERCHANGEABLE
SHIM

Frequently Asked Questions

What is NSN 4730-00-278-4753?

NSN 4730-00-278-4753 is a Elbow,pipe to Tube, manufactured by Cummins Inc., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-278-4753?

NSN 4730-00-278-4753 has 2 cross-referenced part numbers: 125789 (Cummins Inc.), 423191 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 4730-00-278-4753?

There is 1 known substitute for 4730-00-278-4753: 5365-00-639-6895. Verify interchangeability with system specifications before substitution.

What are the specifications of 125789?

Key specifications for 125789: Surface Treatment: CADMIUM OVERALL; Thread Series Designator: NPTF SECOND END; Connection Style: FLARELESS (TUBE) FIRST END; Leg Length: 1.125 INCHES NOMINAL FIRST END IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-278-4753 still in active supply?

NSN 4730-00-278-4753 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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