PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

187680Elbow,flange to Tube

Honeywell International Inc Div Aerospace-South Bend (bendix Dr) · NSN 4730-00-653-0753 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-653-0753 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-653-0753. Primary manufacturer part number: 187680.
Features
  • Elbow,flange to Tube — FSC 4730
  • Thread Class: 3A FIRST END A
  • Center to Center Nominal Distance Between Bolt Holes Along Length: 0.656 INCHES SECOND END IN
  • Thread Series Designator: UN FIRST END
  • Material: STEEL OVERALL
  • Flange Face Design: PLAIN SECOND END
  • Leg Length: 2.000 INCHES NOMINAL FIRST END IN
  • Bolt Hole Nominal Diameter: 0.281 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-653-0753, 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 Honeywell International Inc Div Aerospace-South Bend (bendix Dr). Government technical data includes 20 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-653-0753
Primary Part Number187680
Item NameElbow,flange to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHoneywell International Inc Div Aerospace-South Bend (bendix Dr)
StatusACTIVE
Thread Class3A FIRST END A
Center to Center Nominal Distance Between Bolt Holes Along Length0.656 INCHES SECOND END IN
Thread Series DesignatorUN FIRST END
MaterialSTEEL OVERALL
Flange Face DesignPLAIN SECOND END
Leg Length2.000 INCHES NOMINAL FIRST END IN
Bolt Hole Nominal Diameter0.281 INCHES SECOND END IN
Flange ShapeRECTANGULAR WITH HOLES SECOND END
Connection TypeFLANGE SECOND END
Center to Center Nominal Distance Between Bolt Holes Along Width0.656 INCHES SECOND END IN
Seat Angle37.0 DEGREES FIRST END
Flow Angle90.0 DEGREES
Connection StyleFLARED (TUBE) FIRST END
Bolt Hole Quantity4 SECOND END
Nominal Thread Size1.312 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Leg Length2.031 INCHES NOMINAL SECOND END IN
Nominal Outside Diameter Tube Accommodated1.000 INCHES FIRST END IN
Thread Quantity Per Inch12 FIRST END
Nominal Thickness0.156 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3120-00-593-150744388 INTERCHANGEABLE
Bearing Half,sleeve
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
187680 PRIMARY Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
Related Parts
3120-00-593-1507INTERCHANGEABLE
BEARING HALF,SLEEVE
44388

Frequently Asked Questions

What is NSN 4730-00-653-0753?

NSN 4730-00-653-0753 is a Elbow,flange to Tube, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-653-0753?

NSN 4730-00-653-0753 has 1 cross-referenced part number: 187680 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).

What NSN replaces 4730-00-653-0753?

There is 1 known substitute for 4730-00-653-0753: 3120-00-593-1507. Verify interchangeability with system specifications before substitution.

What are the specifications of 187680?

Key specifications for 187680: Thread Class: 3A FIRST END A; Center to Center Nominal Distance Between Bolt Holes Along Length: 0.656 INCHES SECOND END IN; Thread Series Designator: UN FIRST END; Material: STEEL OVERALL. 20 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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