Model: 1281

Pipe Reducer

Properties:

Pipe Size Accommodated
3.000 inches 2nd end
Pipe Size Accommodated
4.000 inches 1st end
Reducer Type
Concentric
Maximum Operating Temp
65.6 degrees celsius single response
Connection Style
Plain (pipe) 1st end
Connection Style
Plain (pipe) 2nd end
Connection Type
Threaded internal pipe 1st end
Connection Type
Threaded internal pipe 2nd end
Thready Qty Per Inch (tpi)
8 all ends
Maximum Operating Pressure
150.0 pounds per square inch 1st response
Maximum Operating Pressure
300.0 pounds per square inch 2nd response
Thread Size
3.000 inches 2nd end
Thread Size
4.000 inches 1st end
Nominallength
3.850 inches
Material
Copper alloy 836
Material Specification
Astm b62 assn standard single material response
Media For Which Designed
Steam 1st response
Media For Which Designed
Water-oil-gas 2nd response
Thread Series Designator
Npt 2nd end
Thread Series Designator
Npt 1st end
NSN
4730-00-827-2635
Part Number
1281
Description
Reducer,pipe
CAGE
80996

A straight pipe fitting having a different size connection on each end. It is designed to join two pipes of different sizes or two pipe fittings of different sizes. Excludes bushing (as modified).

Part 1281 NSN 4730-00-827-2635

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08505
FIIG:
A080B0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7412200000
  • SITC: 68272
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Copper alloy tube or pipe fittings

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