PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS44Union,pipe to Tube

Harsco Corp Dba Capitol Mfg · NSN 4730-00-128-0468 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-128-0468 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-128-0468. Primary manufacturer part number: CS44.
Features
  • Union,pipe to Tube — FSC 4730
  • Tubing Wall Nominal Thickness for Which Designed: 0.062 INCHES FIRST END IN
  • Material: STEEL NUT
  • Material: STEEL THREAD PIECE
  • Seat Type: GASKET
  • Nominal Outside Diameter Tube Accommodated: 1.125 INCHES FIRST END IN
  • Coupling Flange Shape: ROUND
  • Reducer Type: CONCENTRIC
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Nut construction
General Description

The Union,pipe to Tube, cataloged under National Stock Number 4730-00-128-0468, 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 Harsco Corp Dba Capitol Mfg. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-128-0468
Primary Part NumberCS44
Item NameUnion,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHarsco Corp Dba Capitol Mfg
StatusACTIVE
Tubing Wall Nominal Thickness for Which Designed0.062 INCHES FIRST END IN
MaterialSTEEL NUT
MaterialSTEEL THREAD PIECE
Seat TypeGASKET
Nominal Outside Diameter Tube Accommodated1.125 INCHES FIRST END IN
Coupling Flange ShapeROUND
Reducer TypeCONCENTRIC
Connection StylePLAIN (PIPE) SECOND END
Nominal Thread Size1.000 INCHES SECOND END IN
Connection StyleSOCKET (TUBE) FIRST END
Nominal Overall Length2.187 INCHES IN
Thread Series DesignatorNPT SECOND END
Furnished Items and Quantity1 GASKET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6695-00-895-1348CS4-4 INTERCHANGEABLE
Sampler,liquid
Cosmodyne, Llc Dba Cosmodyne Llc
4240-01-249-7990CS4-4 INTERCHANGEABLE
Cylinder Assembly,breathing Air
Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems
Cross-Reference Index
Part NumberManufacturer
CS44 Harsco Corp Dba Capitol Mfg (USA)
Related Parts
6695-00-895-1348INTERCHANGEABLE
SAMPLER,LIQUID
CS4-4
4240-01-249-7990INTERCHANGEABLE
CYLINDER ASSEMBLY,BREATHING AIR
CS4-4

Frequently Asked Questions

What is NSN 4730-00-128-0468?

NSN 4730-00-128-0468 is a Union,pipe to Tube, manufactured by Harsco Corp Dba Capitol Mfg, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-128-0468?

NSN 4730-00-128-0468 has 1 cross-referenced part number: CS44 (Harsco Corp Dba Capitol Mfg).

What NSN replaces 4730-00-128-0468?

There are 2 known substitutes for 4730-00-128-0468: 6695-00-895-1348, 4240-01-249-7990. Verify interchangeability with system specifications before substitution.

What are the specifications of CS44?

Key specifications for CS44: Tubing Wall Nominal Thickness for Which Designed: 0.062 INCHES FIRST END IN; Material: STEEL NUT; Material: STEEL THREAD PIECE; Seat Type: GASKET. 13 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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