PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AW-34Reducer,tube

Western Enterprises Div of Scott and Fetzer Co · NSN 4730-01-227-1931 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-227-1931 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-227-1931. Primary manufacturer part number: AW-34.
Features
  • Reducer,tube — FSC 4730
  • Thread Class: 2A ALL ENDS A
  • Nominal Thread Size: 0.625 INCHES FIRST END IN
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES SECOND END IN
  • Media for Which Designed: WATER SECOND RESPONSE
  • Material: COPPER ALLOY OVERALL
  • Thread Series Designator: UNF ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-227-1931, 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 Western Enterprises Div of Scott and Fetzer Co. Government technical data includes 13 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-227-1931
Primary Part NumberAW-34
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerWestern Enterprises Div of Scott and Fetzer Co
StatusACTIVE
Thread Class2A ALL ENDS A
Nominal Thread Size0.625 INCHES FIRST END IN
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter Tube Accommodated0.375 INCHES SECOND END IN
Media for Which DesignedWATER SECOND RESPONSE
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorUNF ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Reducer TypeCONCENTRIC
Nominal Thread Size0.562 INCHES SECOND END IN
Media for Which DesignedAIR FIRST RESPONSE
Nominal Outside Diameter Tube Accommodated0.438 INCHES FIRST END IN
Connection StylePLAIN (TUBE) ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2530-00-521-466210N3912 INTERCHANGEABLE
Lining,friction
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
2940-00-529-2739P70FF INTERCHANGEABLE
Filter Element,fluid
Arvinmeritor Inc
5330-01-223-6976 INTERCHANGEABLE
Retainer,packing
Cross-Reference Index
Part NumberManufacturer
AW-34 PRIMARY Western Enterprises Div of Scott and Fetzer Co (USA)
C134 Superior Products Div Opw Ces (USA)
Related Parts
2530-00-521-4662INTERCHANGEABLE
LINING,FRICTION
10N3912
2940-00-529-2739INTERCHANGEABLE
FILTER ELEMENT,FLUID
P70FF
5330-01-223-6976INTERCHANGEABLE
RETAINER,PACKING

Frequently Asked Questions

What is NSN 4730-01-227-1931?

NSN 4730-01-227-1931 is a Reducer,tube, manufactured by Western Enterprises Div of Scott and Fetzer Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-227-1931?

NSN 4730-01-227-1931 has 2 cross-referenced part numbers: AW-34 (Western Enterprises Div of Scott and Fetzer Co), C134 (Superior Products Div Opw Ces).

What NSN replaces 4730-01-227-1931?

There are 3 known substitutes for 4730-01-227-1931: 2530-00-521-4662, 2940-00-529-2739, 5330-01-223-6976. Verify interchangeability with system specifications before substitution.

What are the specifications of AW-34?

Key specifications for AW-34: Thread Class: 2A ALL ENDS A; Nominal Thread Size: 0.625 INCHES FIRST END IN; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES SECOND END IN. 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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