PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2244Union,pipe

Flowserve Inc · NSN 4730-00-973-8750 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-973-8750 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-973-8750. Primary manufacturer part number: 2244.
Features
  • Union,pipe — FSC 4730
  • Union Joint Location: FIRST END
  • Material: STEEL SEAT
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Nominal Thread Size: 0.750 INCHES FIRST END IN
  • Nondefinitive Spec/std Data: A STYLE AND 1 CLASS
  • Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Overall Length: 2.312 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Seat construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-973-8750, 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 Flowserve Inc. Government technical data includes 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-973-8750
Primary Part Number2244
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
Union Joint LocationFIRST END
MaterialSTEEL SEAT
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Nominal Thread Size0.750 INCHES FIRST END IN
Nondefinitive Spec/std DataA STYLE AND 1 CLASS
Operating Pressure2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Overall Length2.312 INCHES IN
Connection TypeTHREADED INTERNAL PIPE FIRST END
Seat TypeGROUND-JOINT
Thread Series DesignatorNPT FIRST END
Nominal Pipe Size Accommodated0.750 INCHES FIRST END IN
Material Document and Classification66,AISI C1030 OR SAE 1030 FED STD SINGLE MATERIAL RESPONSE OVERALL
Maximum Operating Temp37.8 CELSIUS SINGLE RESPONSE DEGC
Connection StyleSOCKET W/ FLARE (TUBE) FIRST END
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-066-1110XS1V3-4 INTERCHANGEABLE
Union,pipe
Catawissa Valve and Fittings Co
4730-00-076-8608 INTERCHANGEABLE
Union,pipe
8010-00-165-8628 INTERCHANGEABLE
Stain
3455-00-190-8392 INTERCHANGEABLE
Cutter Bit,tool Holder
4730-00-222-1860 INTERCHANGEABLE
Union,pipe
4730-00-222-1862 INTERCHANGEABLE
Union,pipe
4730-00-222-1863252H3-4 INTERCHANGEABLE
Union,pipe
Crane Co Div Valve Div
4730-00-222-1864 INTERCHANGEABLE
Union,pipe
4730-00-222-1865 INTERCHANGEABLE
Union,pipe
4730-00-222-1866 INTERCHANGEABLE
Union,pipe
Cross-Reference Index
Part NumberManufacturer
MILU18182 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2244 PRIMARY Flowserve Inc (USA)
Related Parts
4730-00-066-1110INTERCHANGEABLE
UNION,PIPE
XS1V3-4
4730-00-076-8608INTERCHANGEABLE
UNION,PIPE
8010-00-165-8628INTERCHANGEABLE
STAIN
3455-00-190-8392INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
4730-00-222-1860INTERCHANGEABLE
UNION,PIPE
4730-00-222-1862INTERCHANGEABLE
UNION,PIPE
4730-00-222-1863INTERCHANGEABLE
UNION,PIPE
252H3-4
4730-00-222-1864INTERCHANGEABLE
UNION,PIPE
4730-00-222-1865INTERCHANGEABLE
UNION,PIPE
4730-00-222-1866INTERCHANGEABLE
UNION,PIPE
2920-00-229-6512INTERCHANGEABLE
SPARK PLUG
2244
4730-00-277-5507INTERCHANGEABLE
UNION,PIPE

Frequently Asked Questions

What is NSN 4730-00-973-8750?

NSN 4730-00-973-8750 is a Union,pipe, manufactured by Flowserve Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-973-8750?

NSN 4730-00-973-8750 has 2 cross-referenced part numbers: MILU18182 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2244 (Flowserve Inc).

What NSN replaces 4730-00-973-8750?

There are 12 known substitutes for 4730-00-973-8750: 4730-00-066-1110, 4730-00-076-8608, 8010-00-165-8628 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2244?

Key specifications for 2244: Union Joint Location: FIRST END; Material: STEEL SEAT; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Nominal Thread Size: 0.750 INCHES FIRST END IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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