PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11024189-3Union,pipe

Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center · NSN 4730-00-287-0420 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-287-0420 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-287-0420. Primary manufacturer part number: 11024189-3.
Features
  • Union,pipe — FSC 4730
  • Thread Series Designator: NPT ALL ENDS
  • Reducer Type: CONCENTRIC
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Coupling Flange Shape: HEXAGON
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Material Document and Classification: ASTM B62 ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B145 ALLOY 838 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B145 ALLOY 844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-287-0420, 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 Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN4730-00-287-0420
Primary Part Number11024189-3
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCombat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center
StatusCANCELLED
Thread Series DesignatorNPT ALL ENDS
Reducer TypeCONCENTRIC
Nominal Thread Size0.750 INCHES ALL ENDS IN
Coupling Flange ShapeHEXAGON
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Material Document and ClassificationASTM B62 ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B145 ALLOY 838 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B145 ALLOY 844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
MaterialCOPPER ALLOY OVERALL
Nondefinitive Spec/std Data2 TYPE AND A STYLE
Style DesignatorSCREWED
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Specification/standard Data81348-WW-U-516 GOVERNMENT SPECIFICATION
Media for Which DesignedSTEAM FIRST RESPONSE
Maximum Operating Temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Overall Length2.130 INCHES IN
Seat TypeBALL-CONE
Connection StylePLAIN (PIPE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-088-8389 INTERCHANGEABLE
Union,tube
4730-00-088-8952 INTERCHANGEABLE
Union,pipe
4730-00-189-2588 INTERCHANGEABLE
Union,pipe
4730-00-189-2592 INTERCHANGEABLE
Union,pipe
4730-00-189-2595 INTERCHANGEABLE
Union,pipe
4730-00-200-0311 INTERCHANGEABLE
Union,pipe
4730-00-248-9348 INTERCHANGEABLE
Union,pipe
4730-00-248-9351 INTERCHANGEABLE
Union,pipe
4730-00-266-3897 INTERCHANGEABLE
Union,tube
4730-00-266-3899 INTERCHANGEABLE
Union,tube
Cross-Reference Index
Part NumberManufacturer
11024189-3 Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center (USA)
A-A-59617 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59617-35 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
11024189 Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center (USA)
WW-U-516-35 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-088-8389INTERCHANGEABLE
UNION,TUBE
4730-00-088-8952INTERCHANGEABLE
UNION,PIPE
4730-00-189-2588INTERCHANGEABLE
UNION,PIPE
4730-00-189-2592INTERCHANGEABLE
UNION,PIPE
4730-00-189-2595INTERCHANGEABLE
UNION,PIPE
4730-00-200-0311INTERCHANGEABLE
UNION,PIPE
4730-00-248-9348INTERCHANGEABLE
UNION,PIPE
4730-00-248-9351INTERCHANGEABLE
UNION,PIPE
4730-00-266-3897INTERCHANGEABLE
UNION,TUBE
4730-00-266-3899INTERCHANGEABLE
UNION,TUBE
4730-00-266-3901INTERCHANGEABLE
UNION,TUBE
4730-00-287-0421INTERCHANGEABLE
UNION,PIPE

Frequently Asked Questions

What is NSN 4730-00-287-0420?

NSN 4730-00-287-0420 is a Union,pipe, manufactured by Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-287-0420?

NSN 4730-00-287-0420 has 5 cross-referenced part numbers: 11024189-3 (Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center), A-A-59617 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59617-35 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 11024189 (Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center), WW-U-516-35 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-287-0420?

There are 12 known substitutes for 4730-00-287-0420: 4730-00-088-8389, 4730-00-088-8952, 4730-00-189-2588 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11024189-3?

Key specifications for 11024189-3: Thread Series Designator: NPT ALL ENDS; Reducer Type: CONCENTRIC; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Coupling Flange Shape: HEXAGON. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-287-0420 still in active supply?

NSN 4730-00-287-0420 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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