PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

319615R1Elbow,tube to Boss

Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ · NSN 4730-00-403-2769 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-403-2769 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-403-2769. Primary manufacturer part number: 319615R1.
Features
  • Elbow,tube to Boss — FSC 4730
  • Thread Quantity Per Inch: 24 SECOND END
  • Thread Class: 3A SECOND END A
  • Leg Length: 0.625 INCHES NOMINAL SECOND END IN
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
  • Flow Angle: 90.0 DEGREES
  • Seat Angle: 45.0 DEGREES FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Elbow,tube to Boss, cataloged under National Stock Number 4730-00-403-2769, 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 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-403-2769
Primary Part Number319615R1
Item NameElbow,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNavistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
StatusCANCELLED
Thread Quantity Per Inch24 SECOND END
Thread Class3A SECOND END A
Leg Length0.625 INCHES NOMINAL SECOND END IN
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Nominal Thread Size0.500 INCHES SECOND END IN
Flow Angle90.0 DEGREES
Seat Angle45.0 DEGREES FIRST END
Nominal Thread Size0.375 INCHES FIRST END IN
Thread Quantity Per Inch28 FIRST END
Nominal Outside Diameter Tube Accommodated0.187 INCHES FIRST END IN
Thread Series DesignatorUNS SECOND END
Nominal Thread Size0.500 INCHES INLET IN
Thread Class2A FIRST END A
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StyleINVERTED FLARE (TUBE) FIRST END
Leg Length0.812 INCHES NOMINAL FIRST END IN
Thread Series DesignatorUN FIRST END
Connection TypeTHREADED EXTERNAL BOSS SECOND END
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3110-00-117-0718MA5211TV INTERCHANGEABLE
Bearing,roller,cylindrical
Rexnord Industries, Llc Div Link-Belt Bearing Operation
4730-00-164-06977765 INTERCHANGEABLE
Tee,tube
Danfoss Power Solutions II, Llc
2530-00-388-7783FC13649 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5999-01-025-09453458-2 INTERCHANGEABLE
Contact,electrical
Kearflex Engineering Company
4920-01-234-336834582 INTERCHANGEABLE
Adapter Assembly Pitot
Elbitamerica, Inc.
4320-01-559-921534582 INTERCHANGEABLE
Housing,liquid Pump
Woodward, Inc.
5995-01-572-17173458-2 INTERCHANGEABLE
Cable Assembly,spec
Lockheed Martin Corporation
Cross-Reference Index
Part NumberManufacturer
319615R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
319615R1 Komatsu American Intl Co (USA)
34582 Imperial (USA)
319615R1 Komatsu America Corp. (USA)
Related Parts
3110-00-117-0718INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
MA5211TV
4730-00-164-0697INTERCHANGEABLE
TEE,TUBE
7765
2530-00-388-7783INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
FC13649
5999-01-025-0945INTERCHANGEABLE
CONTACT,ELECTRICAL
3458-2
4920-01-234-3368INTERCHANGEABLE
ADAPTER ASSEMBLY PITOT
34582
4320-01-559-9215INTERCHANGEABLE
HOUSING,LIQUID PUMP
34582
5995-01-572-1717INTERCHANGEABLE
CABLE ASSEMBLY,SPEC
3458-2

Frequently Asked Questions

What is NSN 4730-00-403-2769?

NSN 4730-00-403-2769 is a Elbow,tube to Boss, manufactured by Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-403-2769?

NSN 4730-00-403-2769 has 4 cross-referenced part numbers: 319615R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 319615R1 (Komatsu American Intl Co), 34582 (Imperial), 319615R1 (Komatsu America Corp.).

What NSN replaces 4730-00-403-2769?

There are 7 known substitutes for 4730-00-403-2769: 3110-00-117-0718, 4730-00-164-0697, 2530-00-388-7783 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 319615R1?

Key specifications for 319615R1: Thread Quantity Per Inch: 24 SECOND END; Thread Class: 3A SECOND END A; Leg Length: 0.625 INCHES NOMINAL SECOND END IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-403-2769 still in active supply?

NSN 4730-00-403-2769 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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