PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5274Elbow,pipe to Tube

Triumph Engine Control Systems Llc · NSN 4730-00-189-3018 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-189-3018 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-189-3018. Primary manufacturer part number: 5274.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Surface Treatment: CADMIUM OUTSIDE
  • Surface Treatment: CADMIUM INSIDE
  • Surface Treatment: CADMIUM INSIDE
  • Nominal Thread Size: 0.125 INCHES SECOND END IN
  • Seat Angle: 37.0 DEGREES FIRST END
  • Material: COPPER ALLOY OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-189-3018, 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 Triumph Engine Control Systems Llc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN4730-00-189-3018
Primary Part Number5274
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusCANCELLED
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Surface TreatmentCADMIUM OUTSIDE
Surface TreatmentCADMIUM INSIDE
Surface TreatmentCADMIUM INSIDE
Nominal Thread Size0.125 INCHES SECOND END IN
Seat Angle37.0 DEGREES FIRST END
MaterialCOPPER ALLOY OVERALL
Leg Length0.625 INCHES NOMINAL SECOND END IN
Specification/standard Data96906-MS20823 GOVERNMENT STANDARD
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Series DesignatorNPT SECOND END
Thread Class3A FIRST END A
Surface TreatmentCADMIUM OUTSIDE
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorNPT SECOND END
Flow Angle45.0 DEGREES
Connection StylePLAIN (PIPE) SECOND END
Specification/standard Data96906-MS20823 GOVERNMENT STANDARD
Leg Length0.703 INCHES NOMINAL FIRST END IN
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
Seat Angle37.0 DEGREES FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Thread Size0.438 INCHES FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
Nominal Thread Size0.125 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Nominal Thread Size0.438 INCHES FIRST END IN
Flow Angle45.0 DEGREES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-034-1242 INTERCHANGEABLE
Screw,cap,socket Head
4730-00-186-9956 INTERCHANGEABLE
Elbow,pipe to Tube
4730-00-189-3019 INTERCHANGEABLE
Elbow,pipe to Tube
4730-00-231-3940AS5196-1616 INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4720-00-262-1108 INTERCHANGEABLE
Hose Assembly,nonmetallic
4730-00-279-7818 INTERCHANGEABLE
Elbow,pipe to Tube
4730-00-279-7820 INTERCHANGEABLE
Elbow,pipe to Tube
4730-00-279-7826 INTERCHANGEABLE
Elbow,pipe to Tube
4730-00-287-0257 INTERCHANGEABLE
Elbow,pipe to Tube
4730-00-287-0265 INTERCHANGEABLE
Elbow,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
5274 Triumph Engine Control Systems Llc (USA)
29909 Kidde-Fenwal, Llc (USA)
7415348 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
MS20823-4B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS20823 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-034-1242INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
4730-00-186-9956INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4730-00-189-3019INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4730-00-231-3940INTERCHANGEABLE
ELBOW,PIPE TO TUBE
AS5196-1616
4720-00-262-1108INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4730-00-279-7818INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4730-00-279-7820INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4730-00-279-7826INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4730-00-287-0257INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4730-00-287-0265INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4730-00-336-9435INTERCHANGEABLE
ELBOW,PIPE TO TUBE
5315-00-358-9776INTERCHANGEABLE
PIN,STRAIGHT,HEADED
1246C211

Frequently Asked Questions

What is NSN 4730-00-189-3018?

NSN 4730-00-189-3018 is a Elbow,pipe to Tube, manufactured by Triumph Engine Control Systems Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-189-3018?

NSN 4730-00-189-3018 has 5 cross-referenced part numbers: 5274 (Triumph Engine Control Systems Llc), 29909 (Kidde-Fenwal, Llc), 7415348 (U S Army Tank Automotive Command Amsta-Im-Mm), MS20823-4B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS20823 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-189-3018?

There are 12 known substitutes for 4730-00-189-3018: 5305-00-034-1242, 4730-00-186-9956, 4730-00-189-3019 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5274?

Key specifications for 5274: Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Surface Treatment: CADMIUM OUTSIDE; Surface Treatment: CADMIUM INSIDE; Surface Treatment: CADMIUM INSIDE. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-189-3018 still in active supply?

NSN 4730-00-189-3018 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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