PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4429Reducer,pipe

Stewart & Stevenson Services Inc Dba Stewart &stevenson Tug or S&s Tug Div Tug Manufacturing · NSN 4730-01-496-6666 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-496-6666 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-496-6666. Primary manufacturer part number: 4429.
Features
  • Reducer,pipe — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Stewart & Stevenson Services Inc Dba Stewart &stevenson Tug or S&s Tug Div Tug Manufacturing
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-496-6666, 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 Stewart & Stevenson Services Inc Dba Stewart &stevenson Tug or S&s Tug Div Tug Manufacturing. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-496-6666
Primary Part Number4429
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerStewart & Stevenson Services Inc Dba Stewart &stevenson Tug or S&s Tug Div Tug Manufacturing
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-156-1779 INTERCHANGEABLE
Bearing,ball,thrust
5915-00-348-2160 INTERCHANGEABLE
Network,phase Changing
6515-00-584-26284429 INTERCHANGEABLE
Tube,extension,injection Set
Abbott Laboratories Inc. Div Hospital Products Division
5905-00-847-0957 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
5935-00-878-3565 INTERCHANGEABLE
Connector,receptacle,electrical
5305-01-126-47174429 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
2940-01-249-660324429 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5331-01-377-7313Q4429-366Y INTERCHANGEABLE
O-Ring
Minnesota Rubber Co
6530-01-555-6061100445 INTERCHANGEABLE
End Plate Replacement Kit,tracti
Hospeq, Inc. Dba Hospeq Inc
Cross-Reference Index
Part NumberManufacturer
4429 Stewart & Stevenson Services Inc Dba Stewart &stevenson Tug or S&s Tug Div Tug Manufacturing (USA)
4429 Textron Ground Support Equipment Inc. Div Textron Gse (USA)
Related Parts
3110-00-156-1779INTERCHANGEABLE
BEARING,BALL,THRUST
5915-00-348-2160INTERCHANGEABLE
NETWORK,PHASE CHANGING
6515-00-584-2628INTERCHANGEABLE
TUBE,EXTENSION,INJECTION SET
4429
5905-00-847-0957INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
5935-00-878-3565INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5305-01-126-4717INTERCHANGEABLE
SCREW,SHOULDER
4429
2940-01-249-6603INTERCHANGEABLE
FILTER ELEMENT,FLUID
24429
5331-01-377-7313INTERCHANGEABLE
O-RING
Q4429-366Y
6530-01-555-6061INTERCHANGEABLE
END PLATE REPLACEMENT KIT,TRACTI
100445

Frequently Asked Questions

What is NSN 4730-01-496-6666?

NSN 4730-01-496-6666 is a Reducer,pipe, manufactured by Stewart & Stevenson Services Inc Dba Stewart &stevenson Tug or S&s Tug Div Tug Manufacturing, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-496-6666?

NSN 4730-01-496-6666 has 2 cross-referenced part numbers: 4429 (Stewart & Stevenson Services Inc Dba Stewart &stevenson Tug or S&s Tug Div Tug Manufacturing), 4429 (Textron Ground Support Equipment Inc. Div Textron Gse).

What NSN replaces 4730-01-496-6666?

There are 9 known substitutes for 4730-01-496-6666: 3110-00-156-1779, 5915-00-348-2160, 6515-00-584-2628 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4429?

Key specifications for 4429: End Item Identification: STAND-ALONE GROUND SUPPORT AIR CONDITIONER, MODEL MK-12. 1 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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