Model: 2518681-4

Tube Reducer

Properties:

Thread Class
3a 1st end
Reducer Type
Concentric
Connection Style
Flareless (tube) 1st end
Connection Style
Plain (tube) 2nd end
Connection Type
Threaded external tube 1st end
Connection Type
Unthreaded external tube 2nd end
Thread Size
0.438 inches 1st end
Seat Angle
20.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Outside Diameter Tube Accommodated
0.500 inches 2nd end
Tubing Wall Thickness For Which Designed
0.033 inches 2nd end
Nominallength
1.531 inches
Material
Steel comp 316
Material Specification
66 federal standard single material response
Thread Series Designator
Unf 1st end
NSN
4730-00-491-1274
Part Number
2518681-4
Description
Reducer,tube
CAGE
30003

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

Part 2518681-4 NSN 4730-00-491-1274

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08506
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:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7307994000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of alloy steel not stainless

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