PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2340-5402Adapter,straight,pipe to Gas Fit

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 4730-00-200-3896 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-200-3896 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-200-3896. Primary manufacturer part number: 2340-5402.
Features
  • Adapter,straight,pipe to Gas Fit — FSC 4730
  • Nominal Overall Length: 3.000 INCHES IN
  • Nominal Thread Size: 0.908 INCHES SECOND END IN
  • Thread Series Designator: NPT FIRST END
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Media for Which Designed: OXYGEN, GASEOUS SINGLE RESPONSE
  • Seat Nominal Radius: 0.062 INCHES SECOND END IN
  • Thread Series Designator: NGO SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Gas Fit, cataloged under National Stock Number 4730-00-200-3896, 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 Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN4730-00-200-3896
Primary Part Number2340-5402
Item NameAdapter,straight,pipe to Gas Fit
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Nominal Overall Length3.000 INCHES IN
Nominal Thread Size0.908 INCHES SECOND END IN
Thread Series DesignatorNPT FIRST END
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedOXYGEN, GASEOUS SINGLE RESPONSE
Seat Nominal Radius0.062 INCHES SECOND END IN
Thread Series DesignatorNGO SECOND END
Nominal Thread Size0.250 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL GAS FITTING SECOND END
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.908 INCHES SECOND END IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Overall Length3.000 INCHES IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection StyleSWIVEL NUT (GAS FITTING) SECOND END
Media for Which DesignedOXYGEN, GASEOUS SINGLE RESPONSE
Seat Nominal Radius0.062 INCHES SECOND END IN
Thread Series DesignatorNPT FIRST END
MaterialCOPPER ALLOY OVERALL
Connection StylePLAIN (PIPE) FIRST END
Nominal Thread Size0.250 INCHES FIRST END IN
Thread Series DesignatorNGO SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-01-109-8102415-1 INTERCHANGEABLE
Adapter,straight,pipe to Gas Fit
Western Enterprises Div of Scott and Fetzer Co
4820-01-325-145281-DF-540 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Matheson Gas Products Inc Dba (foreign Parent Is Nippon Sanso Corporation, Tokyo, Japan)
Cross-Reference Index
Part NumberManufacturer
473000388 Gauzon Iberica SL (ESP)
CGA540 Compressed Gas Assn (USA)
2340-5402 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
4730-01-109-8102INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO GAS FIT
415-1
4820-01-325-1452INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
81-DF-540

Frequently Asked Questions

What is NSN 4730-00-200-3896?

NSN 4730-00-200-3896 is a Adapter,straight,pipe to Gas Fit, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-200-3896?

NSN 4730-00-200-3896 has 3 cross-referenced part numbers: 473000388 (Gauzon Iberica SL), CGA540 (Compressed Gas Assn), 2340-5402 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 4730-00-200-3896?

There are 2 known substitutes for 4730-00-200-3896: 4730-01-109-8102, 4820-01-325-1452. Verify interchangeability with system specifications before substitution.

What are the specifications of 2340-5402?

Key specifications for 2340-5402: Nominal Overall Length: 3.000 INCHES IN; Nominal Thread Size: 0.908 INCHES SECOND END IN; Thread Series Designator: NPT FIRST END; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 22 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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