PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59617Union,pipe

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-00-189-2588 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-189-2588 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-189-2588. Primary manufacturer part number: A-A-59617.
Features
  • Union,pipe — FSC 4730
  • Seat Type: BALL-CONE
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Nondefinitive Spec/std Data: 2 TYPE AND A STYLE
  • Thread Series Designator: NPT ALL ENDS
  • Specification/standard Data: 81348-WW-U-516 GOVERNMENT SPECIFICATION
  • Material Document and Classification: QQ-B-1005 FED SPEC SINGLE MATERIAL RESPONSE AND ASTM B145 ALLOY 4A FED SPEC 2ND MATERIAL RESPONSE OVERALL A
  • Media for Which Designed: STEAM FIRST RESPONSE
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 4730-00-189-2588, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 30 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
NSN4730-00-189-2588
Primary Part NumberA-A-59617
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Seat TypeBALL-CONE
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Nondefinitive Spec/std Data2 TYPE AND A STYLE
Thread Series DesignatorNPT ALL ENDS
Specification/standard Data81348-WW-U-516 GOVERNMENT SPECIFICATION
Material Document and ClassificationQQ-B-1005 FED SPEC SINGLE MATERIAL RESPONSE AND ASTM B145 ALLOY 4A FED SPEC 2ND MATERIAL RESPONSE OVERALL A
Media for Which DesignedSTEAM FIRST RESPONSE
Specification/standard Data81348-WW-U-516 GOVERNMENT SPECIFICATION
MaterialCOPPER ALLOY OVERALL
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Reducer TypeCONCENTRIC
Nominal Thread Size0.250 INCHES ALL ENDS IN
Coupling Flange ShapeHEXAGON
MaterialCOPPER ALLOY OVERALL
Style DesignatorSCREWED
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Reduced Passage Nominal Inside Diameter0.390 INCHES ALL ENDS IN
Coupling Flange ShapeHEXAGON
Nondefinitive Spec/std Data2 TYPE AND A STYLE
Connection StylePLAIN (PIPE) ALL ENDS
Reduced Passage Nominal Inside Diameter0.390 INCHES ALL ENDS IN
Maximum Operating Temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Series DesignatorNPT ALL ENDS
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Nominal Overall Length1.560 INCHES IN
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSCREWED
Seat TypeBALL-CONE
Material Document and ClassificationQQ-B-1005 FED SPEC SINGLE MATERIAL RESPONSE AND ASTM B145 ALLOY 4A FED SPEC 2ND MATERIAL RESPONSE OVERALL A
Nominal Overall Length1.560 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-088-8389 INTERCHANGEABLE
Union,tube
4730-00-088-8952 INTERCHANGEABLE
Union,pipe
4730-00-189-2592 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
4730-00-266-3901 INTERCHANGEABLE
Union,tube
Cross-Reference Index
Part NumberManufacturer
A-A-59617 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)
11024189-4 Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center (USA)
WW-U-516-11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA59617-11 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-088-8389INTERCHANGEABLE
UNION,TUBE
4730-00-088-8952INTERCHANGEABLE
UNION,PIPE
4730-00-189-2592INTERCHANGEABLE
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
4730-00-287-0420INTERCHANGEABLE
UNION,PIPE
4730-00-287-0421INTERCHANGEABLE
UNION,PIPE

Frequently Asked Questions

What is NSN 4730-00-189-2588?

NSN 4730-00-189-2588 is a Union,pipe, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-189-2588?

NSN 4730-00-189-2588 has 5 cross-referenced part numbers: A-A-59617 (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), 11024189-4 (Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center), WW-U-516-11 (Federal Specifications Promulgated by General Services Administration Washington DC), AA59617-11 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-189-2588?

There are 12 known substitutes for 4730-00-189-2588: 4730-00-088-8389, 4730-00-088-8952, 4730-00-189-2592 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59617?

Key specifications for A-A-59617: Seat Type: BALL-CONE; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Nondefinitive Spec/std Data: 2 TYPE AND A STYLE; Thread Series Designator: NPT ALL ENDS. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-189-2588 still in active supply?

NSN 4730-00-189-2588 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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