PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4801-4X2 AND 4801-2-F-2X1-1/2Reducer,pipe

Nibco · NSN 4730-00-476-5861 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-476-5861 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-476-5861. Primary manufacturer part number: 4801-4X2 AND 4801-2-F-2X1-1/2.
Features
  • Reducer,pipe — FSC 4730
  • Material Document and Classification: ASTM D1784,TY 1,GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN
  • Nominal Overall Length: 4.032 INCHES IN
  • Nominal Pipe Size Accommodated: 1.500 INCHES SECOND END IN
  • Connection Style: SOCKET (PIPE) SECOND END
  • Material: PLASTIC OVERALL
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE 40 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 4730-00-476-5861, 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. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN4730-00-476-5861
Primary Part Number4801-4X2 AND 4801-2-F-2X1-1/2
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNibco
StatusACTIVE
Material Document and ClassificationASTM D1784,TY 1,GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Pipe Size Accommodated4.000 INCHES FIRST END IN
Nominal Overall Length4.032 INCHES IN
Nominal Pipe Size Accommodated1.500 INCHES SECOND END IN
Connection StyleSOCKET (PIPE) SECOND END
MaterialPLASTIC OVERALL
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 40 SECOND END
Connection StyleSOCKET (PIPE) FIRST END
Reducer TypeCONCENTRIC
Connection TypeUNTHREADED INTERNAL PIPE SECOND END
Connection TypeUNTHREADED INTERNAL PIPE FIRST END
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 40 FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6210-00-224-83269M9166 INTERCHANGEABLE
Light,panel
Caterpillar Inc Div Caterpillar Defense
5935-00-570-58593029 INTERCHANGEABLE
Connector,plug,electrical
Cole Hersee Company
5331-00-599-2686063029 INTERCHANGEABLE
O-Ring
Eaton Aerospace, Llc Dba Jackson South
4820-00-604-0668343AS250-1 INTERCHANGEABLE
Valve,check
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
4820-00-902-1637EA-16132-1 INTERCHANGEABLE
Diaphragm,valve,flat
Fairchild Industrial Products Company
1560-00-960-08323029 INTERCHANGEABLE
Duct,bleed Air
Precision Metal Products, Inc
4330-00-974-3539 INTERCHANGEABLE
Plate,filter
5961-01-079-5632950031-002 INTERCHANGEABLE
Transistor
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
5905-01-099-44923029 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Crown Audio, Inc. Dba Crown International
3020-01-225-9070 INTERCHANGEABLE
Gear,spur
Cross-Reference Index
Part NumberManufacturer
LP320 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
3029 George Fischer Sloane, Inc. (USA)
4801-4X2 AND 4801-2-F-2X1-1/2 PRIMARY Nibco (USA)
4801-4X2 AND 4801-2-F-2X1-1/2 Nibco Inc (USA)
Related Parts
6210-00-224-8326INTERCHANGEABLE
LIGHT,PANEL
9M9166
5935-00-570-5859INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3029
5331-00-599-2686INTERCHANGEABLE
O-RING
063029
4820-00-604-0668INTERCHANGEABLE
VALVE,CHECK
343AS250-1
4820-00-902-1637INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
EA-16132-1
1560-00-960-0832INTERCHANGEABLE
DUCT,BLEED AIR
3029
4330-00-974-3539INTERCHANGEABLE
PLATE,FILTER
5961-01-079-5632INTERCHANGEABLE
TRANSISTOR
950031-002
5905-01-099-4492INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
3029
3020-01-225-9070INTERCHANGEABLE
GEAR,SPUR
5330-01-227-6229INTERCHANGEABLE
GASKET
5820-01-279-8291INTERCHANGEABLE
VVA ASSY
3029

Frequently Asked Questions

What is NSN 4730-00-476-5861?

NSN 4730-00-476-5861 is a Reducer,pipe, manufactured by Nibco, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-476-5861?

NSN 4730-00-476-5861 has 4 cross-referenced part numbers: LP320 (Federal Specifications Promulgated by General Services Administration Washington DC), 3029 (George Fischer Sloane, Inc.), 4801-4X2 AND 4801-2-F-2X1-1/2 (Nibco), 4801-4X2 AND 4801-2-F-2X1-1/2 (Nibco Inc).

What NSN replaces 4730-00-476-5861?

There are 12 known substitutes for 4730-00-476-5861: 6210-00-224-8326, 5935-00-570-5859, 5331-00-599-2686 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4801-4X2 AND 4801-2-F-2X1-1/2?

Key specifications for 4801-4X2 AND 4801-2-F-2X1-1/2: Material Document and Classification: ASTM D1784,TY 1,GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN; Nominal Overall Length: 4.032 INCHES IN; Nominal Pipe Size Accommodated: 1.500 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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