PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

853210709Union,pipe

Bomag Usa Sub of United Dominion Industries Ltd · NSN 4730-00-189-2601 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-189-2601 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-189-2601. Primary manufacturer part number: 853210709.
Features
  • Union,pipe — FSC 4730
  • Seat Type: BEVELED
  • Coupling Flange Shape: HEXAGON
  • Nondefinitive Spec/std Data: XA TYPE
  • Thread Series Designator: NPT ALL ENDS
  • Nominal Overall Length: 2.880 INCHES IN
  • Nominal Thread Size: 1.500 INCHES ALL ENDS IN
  • Reducer Type: CONCENTRIC
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-189-2601, 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 Bomag Usa Sub of United Dominion Industries Ltd. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-189-2601
Primary Part Number853210709
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBomag Usa Sub of United Dominion Industries Ltd
StatusCANCELLED
Seat TypeBEVELED
Coupling Flange ShapeHEXAGON
Nondefinitive Spec/std DataXA TYPE
Thread Series DesignatorNPT ALL ENDS
Nominal Overall Length2.880 INCHES IN
Nominal Thread Size1.500 INCHES ALL ENDS IN
Reducer TypeCONCENTRIC
Nominal Thread Size1.500 INCHES ALL ENDS IN
Coupling Flange ShapeHEXAGON
Nominal Overall Length2.880 INCHES IN
Media for Which DesignedSTEAM SINGLE RESPONSE
Media for Which DesignedSTEAM SINGLE RESPONSE
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Connection StylePLAIN (PIPE) ALL ENDS
Nondefinitive Spec/std DataXA TYPE
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Specification/standard Data81349-MIL-U-18250 GOVERNMENT SPECIFICATION
Seat TypeBEVELED
Maximum Operating Temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Style DesignatorSCREWED
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Specification/standard Data81349-MIL-U-18250 GOVERNMENT SPECIFICATION
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSCREWED
Thread Series DesignatorNPT ALL ENDS
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialIRON OVERALL
MaterialIRON OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4730-00-189-2596 INTERCHANGEABLE
Union,pipe
4730-00-189-2597 INTERCHANGEABLE
Union,pipe
4730-00-189-2600 INTERCHANGEABLE
Union,pipe
4730-00-189-26021631-400 INTERCHANGEABLE
Union,pipe
Flaton Machine Works Inc.
4730-00-189-2629 INTERCHANGEABLE
Union,pipe
Cross-Reference Index
Part NumberManufacturer
853210709 Bomag Usa Sub of United Dominion Industries Ltd (USA)
MILU18250TYPEXA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-189-2596INTERCHANGEABLE
UNION,PIPE
4730-00-189-2597INTERCHANGEABLE
UNION,PIPE
4730-00-189-2600INTERCHANGEABLE
UNION,PIPE
4730-00-189-2602INTERCHANGEABLE
UNION,PIPE
1631-400
4730-00-189-2629INTERCHANGEABLE
UNION,PIPE

Frequently Asked Questions

What is NSN 4730-00-189-2601?

NSN 4730-00-189-2601 is a Union,pipe, manufactured by Bomag Usa Sub of United Dominion Industries Ltd, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-189-2601?

NSN 4730-00-189-2601 has 2 cross-referenced part numbers: 853210709 (Bomag Usa Sub of United Dominion Industries Ltd), MILU18250TYPEXA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-189-2601?

There are 5 known substitutes for 4730-00-189-2601: 4730-00-189-2596, 4730-00-189-2597, 4730-00-189-2600 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 853210709?

Key specifications for 853210709: Seat Type: BEVELED; Coupling Flange Shape: HEXAGON; Nondefinitive Spec/std Data: XA TYPE; Thread Series Designator: NPT ALL ENDS. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-189-2601 still in active supply?

NSN 4730-00-189-2601 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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