PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4501-4X2Reducer,pipe

Nibco Inc Chemtrol Div · NSN 4730-00-263-4202 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-263-4202 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-263-4202. Primary manufacturer part number: 4501-4X2.
Features
  • Reducer,pipe — FSC 4730
  • Reducer Type: CONCENTRIC
  • Nominal Overall Length: 2.562 INCHES IN
  • Nominal Pipe Size Accommodated: 4.000 INCHES SECOND END IN
  • Connection Type: UNTHREADED INTERNAL PIPE FIRST END
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE 80 FIRST END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Connection Type: UNTHREADED EXTERNAL PIPE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-00-263-4202, 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 Nibco Inc Chemtrol Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 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
NSN4730-00-263-4202
Primary Part Number4501-4X2
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNibco Inc Chemtrol Div
StatusACTIVE
Reducer TypeCONCENTRIC
Nominal Overall Length2.562 INCHES IN
Nominal Pipe Size Accommodated4.000 INCHES SECOND END IN
Connection TypeUNTHREADED INTERNAL PIPE FIRST END
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 80 FIRST END
Connection StylePLAIN (PIPE) SECOND END
Connection TypeUNTHREADED EXTERNAL PIPE SECOND END
Nominal Pipe Size Accommodated2.000 INCHES FIRST END IN
Material Document and ClassificationASTM D1784,TY 1,GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Connection StyleSOCKET (PIPE) FIRST END
MaterialPLASTIC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-051-6288 INTERCHANGEABLE
Spring,linkage
4730-00-114-9898 INTERCHANGEABLE
Elbow,pipe
4730-00-201-8409 INTERCHANGEABLE
Elbow,pipe
6625-00-223-494210676739 INTERCHANGEABLE
Meter,arbitrary Scale
Us Army Aviation and Missile Command
4730-00-251-6532 INTERCHANGEABLE
Elbow,pipe
4730-00-258-767701025031 INTERCHANGEABLE
Reducer,pipe
Nibco Inc Chemtrol Div
4730-00-263-41850041120-040 INTERCHANGEABLE
Elbow,pipe
Cleveland Service Center
4730-00-263-4187 INTERCHANGEABLE
Tee,pipe
4730-00-263-4197829-040 INTERCHANGEABLE
Coupling,pipe
Nibco Inc Chemtrol Div
4730-00-265-17510061120-040 INTERCHANGEABLE
Coupling,pipe
Cleveland Service Center
Cross-Reference Index
Part NumberManufacturer
8227 Eslon Thermoplastics Inc (USA)
38375420 Spears Manufacturing Co. (USA)
01049076 Nibco Inc (USA)
837-420 Lasco Industries (USA)
837-420 George Fischer Sloane, Inc. (USA)
D2467 American Society for Testing and Materials Dba Astm International (USA)
0141170-420 Cleveland Service Center (USA)
4501-4X2 Nibco Inc (USA)
ASTM D2467 American Society for Testing and Materials Dba Astm International (USA)
01049076 Celanese Piping Systems Inc Sub of Celanese Corp (USA)
4501-4X2 PRIMARY Nibco Inc Chemtrol Div (USA)
Related Parts
5360-00-051-6288INTERCHANGEABLE
SPRING,LINKAGE
4730-00-114-9898INTERCHANGEABLE
ELBOW,PIPE
4730-00-201-8409INTERCHANGEABLE
ELBOW,PIPE
6625-00-223-4942INTERCHANGEABLE
METER,ARBITRARY SCALE
10676739
4730-00-251-6532INTERCHANGEABLE
ELBOW,PIPE
4730-00-258-7677INTERCHANGEABLE
REDUCER,PIPE
01025031
4730-00-263-4185INTERCHANGEABLE
ELBOW,PIPE
0041120-040
4730-00-263-4187INTERCHANGEABLE
TEE,PIPE
4730-00-263-4197INTERCHANGEABLE
COUPLING,PIPE
829-040
4730-00-265-1751INTERCHANGEABLE
COUPLING,PIPE
0061120-040
2530-00-395-0285INTERCHANGEABLE
BRAKE SHOE
E8227WB
5310-00-443-3416INTERCHANGEABLE
WASHER,FLAT
8227

Frequently Asked Questions

What is NSN 4730-00-263-4202?

NSN 4730-00-263-4202 is a Reducer,pipe, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-263-4202?

NSN 4730-00-263-4202 has 11 cross-referenced part numbers: 8227 (Eslon Thermoplastics Inc), 38375420 (Spears Manufacturing Co.), 01049076 (Nibco Inc), 837-420 (Lasco Industries), 837-420 (George Fischer Sloane, Inc.) and 6 more.

What NSN replaces 4730-00-263-4202?

There are 12 known substitutes for 4730-00-263-4202: 5360-00-051-6288, 4730-00-114-9898, 4730-00-201-8409 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4501-4X2?

Key specifications for 4501-4X2: Reducer Type: CONCENTRIC; Nominal Overall Length: 2.562 INCHES IN; Nominal Pipe Size Accommodated: 4.000 INCHES SECOND END IN; Connection Type: UNTHREADED INTERNAL PIPE FIRST END. 11 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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