Model: 4RU3

Tube Reducer

Properties:

Thread Class
2a all ends
Reducer Type
Concentric
Connection Style
Flareless (tube) all ends
Connection Type
Threaded external tube all ends
Thread Size
0.375 inches 2nd end
Thread Size
0.438 inches 1st end
Seat Angle
20.0 degrees all ends
Outside Diameter Tube Accommodated
0.188 inches 2nd end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Nominallength
1.550 inches
Material
Copper alloy
Thread Series Designator
Unf all ends
Furnished Items And Quantity
4 ferrule sleeve and 2 tube coupling nut w/sleeve
NSN
4730-01-167-2791
Part Number
4RU3
Description
Reducer,tube
CAGE
28968

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 4RU3 NSN 4730-01-167-2791

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052185
UFC:
29950
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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