PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASME B16.39Union,pipe

The American Society of Mechanical Engineers · NSN 4730-00-189-2597 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-189-2597 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-189-2597. Primary manufacturer part number: ASME B16.39.
Features
  • Union,pipe — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: The American Society of Mechanical Engineers
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-189-2597, 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 The American Society of Mechanical Engineers. This item has 3 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.

Catalog Facts
Item NameUnion,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersThe American Society of Mechanical Engineers (CAGE 05047); The Walworth Company (CAGE 63686); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349)
Technical Specifications
ParameterValue
NSN4730-00-189-2597
Primary Part NumberASME B16.39
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5995-00-038-3514L212781-2 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Raytheon Company Dba Raytheon Co
5945-00-068-3869PR3004 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
4730-00-189-2596 INTERCHANGEABLE
Union,pipe
4730-00-189-2600 INTERCHANGEABLE
Union,pipe
4730-00-189-2601 INTERCHANGEABLE
Union,pipe
4730-00-189-26021631-400 INTERCHANGEABLE
Union,pipe
Flaton Machine Works Inc.
4730-00-189-2629 INTERCHANGEABLE
Union,pipe
5136-00-237-82697227 INTERCHANGEABLE
Die,rethreading
Stanley Tools Div of Stanley Works
5340-00-254-464121616 INTERCHANGEABLE
Clevis,rod End
Dressta North America Ltd
5330-00-594-0100 INTERCHANGEABLE
Seal Ring,metal
Cross-Reference Index
Part NumberManufacturer
ASME B16.39 The American Society of Mechanical Engineers (USA)
7227 The Walworth Company (USA)
MIL-U-18250TYPEXA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5995-00-038-3514INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
L212781-2
5945-00-068-3869INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
PR3004
4730-00-189-2596INTERCHANGEABLE
UNION,PIPE
4730-00-189-2600INTERCHANGEABLE
UNION,PIPE
4730-00-189-2601INTERCHANGEABLE
UNION,PIPE
4730-00-189-2602INTERCHANGEABLE
UNION,PIPE
1631-400
4730-00-189-2629INTERCHANGEABLE
UNION,PIPE
5136-00-237-8269INTERCHANGEABLE
DIE,RETHREADING
7227
5340-00-254-4641INTERCHANGEABLE
CLEVIS,ROD END
21616
5330-00-594-0100INTERCHANGEABLE
SEAL RING,METAL
5915-00-905-8636INTERCHANGEABLE
FILTER,BAND PASS
606G
5305-01-064-5202INTERCHANGEABLE
SCREW,MACHINE
072270000

Frequently Asked Questions

What is NSN 4730-00-189-2597?

NSN 4730-00-189-2597 is a Union,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-189-2597?

NSN 4730-00-189-2597 has 3 cross-referenced part numbers: ASME B16.39 (The American Society of Mechanical Engineers), 7227 (The Walworth Company), MIL-U-18250TYPEXA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-189-2597?

There are 12 known substitutes for 4730-00-189-2597: 5995-00-038-3514, 5945-00-068-3869, 4730-00-189-2596 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-189-2597 still in active supply?

NSN 4730-00-189-2597 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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