PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XS1V3-4Union,pipe

Catawissa Valve and Fittings Co · NSN 4730-00-066-1110 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-066-1110 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-066-1110. Primary manufacturer part number: XS1V3-4.
Features
  • Union,pipe — FSC 4730
  • Nominal Thread Size: 0.750 INCHES FIRST END IN
  • Thread Series Designator: NPT FIRST END
  • Material: STEEL OVERALL
  • Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Nominal Pipe Size Accommodated: 0.750 INCHES FIRST END IN
  • Connection Style: PLAIN (PIPE) FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-066-1110, 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 Catawissa Valve and Fittings Co. Government technical data includes 12 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-066-1110
Primary Part NumberXS1V3-4
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCatawissa Valve and Fittings Co
StatusACTIVE
Nominal Thread Size0.750 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
MaterialSTEEL OVERALL
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Nominal Pipe Size Accommodated0.750 INCHES FIRST END IN
Connection StylePLAIN (PIPE) FIRST END
MaterialSTEEL SEAT
Seat TypeGROUND-JOINT
Nominal Overall Length2.562 INCHES IN
Nondefinitive Spec/std DataA STYLE AND 3 CLASS
Material Document and Classification66,AISI C1030 OR SAE 1030 FED STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-076-8608 INTERCHANGEABLE
Union,pipe
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
4730-00-277-5507 INTERCHANGEABLE
Union,pipe
4730-00-277-8657 INTERCHANGEABLE
Union,pipe
4730-00-973-87502244 INTERCHANGEABLE
Union,pipe
Flowserve Inc
Cross-Reference Index
Part NumberManufacturer
XS1V3-4 PRIMARY Catawissa Valve and Fittings Co (USA)
MILU18182 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-076-8608INTERCHANGEABLE
UNION,PIPE
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
4730-00-277-5507INTERCHANGEABLE
UNION,PIPE
4730-00-277-8657INTERCHANGEABLE
UNION,PIPE
4730-00-973-8750INTERCHANGEABLE
UNION,PIPE
2244
4730-01-113-4546INTERCHANGEABLE
UNION,PIPE

Frequently Asked Questions

What is NSN 4730-00-066-1110?

NSN 4730-00-066-1110 is a Union,pipe, manufactured by Catawissa Valve and Fittings Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-066-1110?

NSN 4730-00-066-1110 has 2 cross-referenced part numbers: XS1V3-4 (Catawissa Valve and Fittings Co), MILU18182 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-066-1110?

There are 11 known substitutes for 4730-00-066-1110: 4730-00-076-8608, 4730-00-222-1860, 4730-00-222-1862 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of XS1V3-4?

Key specifications for XS1V3-4: Nominal Thread Size: 0.750 INCHES FIRST END IN; Thread Series Designator: NPT FIRST END; Material: STEEL OVERALL; Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 12 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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