PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8C50X-BElbow,tube to Boss

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-00-785-8155 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-785-8155 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-785-8155. Primary manufacturer part number: 8C50X-B.
Features
  • Elbow,tube to Boss — FSC 4730
  • Flow Angle: 90.0 DEGREES
  • Connection Type: THREADED EXTERNAL BOSS SECOND END
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Seat Angle: 37.0 DEGREES FIRST END
  • Furnished Items and Quantity: 1 LOCKNUT AND 1 PREFORMED PACKING AND 1 FLAT WASHER
  • Thread Series Designator: UNF ALL ENDS
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 4730-00-785-8155, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-785-8155
Primary Part Number8C50X-B
Item NameElbow,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusACTIVE
Flow Angle90.0 DEGREES
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Nominal Thread Size0.750 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Seat Angle37.0 DEGREES FIRST END
Furnished Items and Quantity1 LOCKNUT AND 1 PREFORMED PACKING AND 1 FLAT WASHER
Thread Series DesignatorUNF ALL ENDS
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Leg Length1.219 INCHES NOMINAL FIRST END IN
Leg Length1.438 INCHES NOMINAL SECOND END IN
Connection StyleFLARED (TUBE) FIRST END
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Thread Class3A ALL ENDS A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-156-1908 INTERCHANGEABLE
Bearing,ball,thrust
4520-00-404-93202918 INTERCHANGEABLE
Heating Element,electrical,nonim
Goodrich Corporation
5950-01-172-0432406718 INTERCHANGEABLE
Transformer,power
Aimtron Systems, Llc
4820-01-421-8763 INTERCHANGEABLE
Diaphragm,actuator Valve,special
5365-01-645-48002918 INTERCHANGEABLE
Spacer,straight
Accuracy International of North America, Inc.
Cross-Reference Index
Part NumberManufacturer
8BCAW Contitech Usa, Inc. (USA)
291-8 Komatsu American Intl Co (USA)
53673C4 Mitsubishi Caterpillar Forklift America, Inc (USA)
0001274-1016 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
8BCAW Anchor Swan Corp Sub of Amerace Corp (USA)
291-8 Spalla Inc (USA)
8C50X-B PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
09-53673C4 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
Related Parts
3110-00-156-1908INTERCHANGEABLE
BEARING,BALL,THRUST
4520-00-404-9320INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
2918
5950-01-172-0432INTERCHANGEABLE
TRANSFORMER,POWER
406718
4820-01-421-8763INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
5365-01-645-4800INTERCHANGEABLE
SPACER,STRAIGHT
2918

Frequently Asked Questions

What is NSN 4730-00-785-8155?

NSN 4730-00-785-8155 is a Elbow,tube to Boss, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-785-8155?

NSN 4730-00-785-8155 has 8 cross-referenced part numbers: 8BCAW (Contitech Usa, Inc.), 291-8 (Komatsu American Intl Co), 53673C4 (Mitsubishi Caterpillar Forklift America, Inc), 0001274-1016 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), 8BCAW (Anchor Swan Corp Sub of Amerace Corp) and 3 more.

What NSN replaces 4730-00-785-8155?

There are 5 known substitutes for 4730-00-785-8155: 3110-00-156-1908, 4520-00-404-9320, 5950-01-172-0432 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8C50X-B?

Key specifications for 8C50X-B: Flow Angle: 90.0 DEGREES; Connection Type: THREADED EXTERNAL BOSS SECOND END; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL TUBE FIRST END. 14 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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