PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500344Elbow,flange to Tube

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4730-00-756-1184 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-756-1184 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-756-1184. Primary manufacturer part number: 500344.
Features
  • Elbow,flange to Tube — FSC 4730
  • Thread Class: 2B FIRST END
  • Center to Center Nominal Distance Between Bolt Holes Along Width: 1.812 INCHES SECOND END IN
  • Leg Length: 2.850 INCHES NOMINAL SECOND END IN
  • Nominal Width: 3.094 INCHES SECOND END IN
  • Flange Face Design: RAISED WITH CURVE AND COUNTERBORE SECOND END
  • Material: ALUMINUM ALLOY OVERALLUNABLE TO DECODE
  • Raised Face Nominal Diameter: 2.375 INCHES SECOND ENDUNABLE TO DECODE IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy Overallunable to Decode construction
General Description

The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-756-1184, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 26 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-756-1184
Primary Part Number500344
Item NameElbow,flange to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusCANCELLED
Thread Class2B FIRST END
Center to Center Nominal Distance Between Bolt Holes Along Width1.812 INCHES SECOND END IN
Leg Length2.850 INCHES NOMINAL SECOND END IN
Nominal Width3.094 INCHES SECOND END IN
Flange Face DesignRAISED WITH CURVE AND COUNTERBORE SECOND END
MaterialALUMINUM ALLOY OVERALLUNABLE TO DECODE
Raised Face Nominal Diameter2.375 INCHES SECOND ENDUNABLE TO DECODE IN
Nominal Length3.094 INCHES SECOND END IN
Bolt Hole Nominal Diameter0.266 INCHES SECOND END IN
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLUNABLE TO DECODE
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Surface TreatmentANODIZE OVERALLUNABLE TO DECODE
Nominal Thread Size1.875 INCHES FIRST END IN
Leg Length2.100 INCHES NOMINAL FIRST END IN
Thread Quantity Per Inch12 FIRST END
Seat Angle37.0 DEGREES FIRST END
Flow Angle90.0 DEGREES
Raised Face Nominal Height0.063 INCHES SECOND ENDUNABLE TO DECODE IN
Flange ShapeRECTANGULAR WITH HOLES SECOND END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Bolt Hole Quantity4 SECOND END
Center to Center Nominal Distance Between Bolt Holes Along Length1.812 INCHES SECOND END IN
Connection TypeFLANGE SECOND END
Nominal Thickness0.301 INCHES SECOND END IN
Thread Series DesignatorUN FIRST END
Nominal Outside Diameter Tube Accommodated1.500 INCHES FIRST ENDUNABLE TO DECODE IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2990-01-268-60934233 INTERCHANGEABLE
Control,idle Speed
Southern Ambulance Builders Co Inc Dba Sabc Inc
2540-01-442-9288500-344 INTERCHANGEABLE
Shock Absorber,bumper
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
500344 PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Related Parts
2990-01-268-6093INTERCHANGEABLE
CONTROL,IDLE SPEED
4233
2540-01-442-9288INTERCHANGEABLE
SHOCK ABSORBER,BUMPER
500-344

Frequently Asked Questions

What is NSN 4730-00-756-1184?

NSN 4730-00-756-1184 is a Elbow,flange to Tube, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-756-1184?

NSN 4730-00-756-1184 has 1 cross-referenced part number: 500344 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).

What NSN replaces 4730-00-756-1184?

There are 2 known substitutes for 4730-00-756-1184: 2990-01-268-6093, 2540-01-442-9288. Verify interchangeability with system specifications before substitution.

What are the specifications of 500344?

Key specifications for 500344: Thread Class: 2B FIRST END; Center to Center Nominal Distance Between Bolt Holes Along Width: 1.812 INCHES SECOND END IN; Leg Length: 2.850 INCHES NOMINAL SECOND END IN; Nominal Width: 3.094 INCHES SECOND END IN. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-756-1184 still in active supply?

NSN 4730-00-756-1184 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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