PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

159-D-22Elbow,pipe to Tube

Curtiss-Wright Controls, Inc. Div Actuation Division · NSN 4730-00-231-3928 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-231-3928 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-231-3928. Primary manufacturer part number: 159-D-22.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Leg Length: 0.750 INCHES NOMINAL FIRST END IN
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Material: COPPER ALLOY OVERALL
  • Nominal Pipe Size Accommodated: 0.125 INCHES SECOND END IN
  • Thread Series Designator: ANPT SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Thread Series Designator: UNF FIRST END
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 4730-00-231-3928, 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 Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-231-3928
Primary Part Number159-D-22
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Div Actuation Division
StatusCANCELLED
Leg Length0.750 INCHES NOMINAL FIRST END IN
Nominal Thread Size0.438 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Nominal Pipe Size Accommodated0.125 INCHES SECOND END IN
Thread Series DesignatorANPT SECOND END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
Thread Quantity Per Inch27 SECOND END
Seat Angle50.0 DEGREES FIRST END
Flow Angle90.0 DEGREES
Nominal Thread Size0.125 INCHES SECOND END IN
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Class3A FIRST END A
Connection StyleINVERTED FLARE (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Leg Length0.812 INCHES NOMINAL SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-158-4726 INTERCHANGEABLE
Resistor,adjustable
5930-00-224-505814828 INTERCHANGEABLE
Switch,lever
Viz Manufacturing Company
3110-00-227-4521 INTERCHANGEABLE
Bearing,ball,annular
3110-00-293-9588058-4 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
6105-00-407-3905 INTERCHANGEABLE
Jumper,holder Assy
5970-00-850-631914828 INTERCHANGEABLE
Insulator,feedthru
Dayton-Granger, Inc.
5310-00-919-2232 INTERCHANGEABLE
Washer,bevel
5970-01-072-189114828 INTERCHANGEABLE
Insulator-Passive
Grimes Aerospace Company
5360-01-121-146514828 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace, Llc Dba Jackson South
6515-01-246-825712-7054 INTERCHANGEABLE
Screw,bone
Smith and Nephew Inc
Cross-Reference Index
Part NumberManufacturer
159-D-22 PRIMARY Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
0584 Power Industries Inc (USA)
AN790-4PM P/m Engineering Co Inc (USA)
14828 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
394089 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
AN790-4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
127054 White Farm Equipment Co Sub of Tic Investment Corp
159D3 Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
Related Parts
5905-00-158-4726INTERCHANGEABLE
RESISTOR,ADJUSTABLE
5930-00-224-5058INTERCHANGEABLE
SWITCH,LEVER
14828
3110-00-227-4521INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-293-9588INTERCHANGEABLE
BEARING,BALL,ANNULAR
058-4
6105-00-407-3905INTERCHANGEABLE
JUMPER,HOLDER ASSY
5970-00-850-6319INTERCHANGEABLE
INSULATOR,FEEDTHRU
14828
5310-00-919-2232INTERCHANGEABLE
WASHER,BEVEL
5970-01-072-1891INTERCHANGEABLE
INSULATOR-PASSIVE
14828
5360-01-121-1465INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
14828
6515-01-246-8257INTERCHANGEABLE
SCREW,BONE
12-7054
6150-01-539-5804INTERCHANGEABLE
LEAD,ELECTRICAL
4010-01-584-1437INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
0584

Frequently Asked Questions

What is NSN 4730-00-231-3928?

NSN 4730-00-231-3928 is a Elbow,pipe to Tube, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-231-3928?

NSN 4730-00-231-3928 has 8 cross-referenced part numbers: 159-D-22 (Curtiss-Wright Controls, Inc. Div Actuation Division), 0584 (Power Industries Inc), AN790-4PM (P/m Engineering Co Inc), 14828 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 394089 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems) and 3 more.

What NSN replaces 4730-00-231-3928?

There are 12 known substitutes for 4730-00-231-3928: 5905-00-158-4726, 5930-00-224-5058, 3110-00-227-4521 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 159-D-22?

Key specifications for 159-D-22: Leg Length: 0.750 INCHES NOMINAL FIRST END IN; Nominal Thread Size: 0.438 INCHES FIRST END IN; Material: COPPER ALLOY OVERALL; Nominal Pipe Size Accommodated: 0.125 INCHES SECOND END IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-231-3928 still in active supply?

NSN 4730-00-231-3928 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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