Model: 3278R44

Differential Spider

Special Features:

Arm lubricant method passage: grooves; lubrication mode: in lubricant; fsc application data: driving axle, combat vehicle

Properties:

Hub Outside Diameter
3.000 inches
Arm Length
Between 2.060 inches and 2.065 inches
Length Across Arms
Between 7.120 inches and 7.130 inches
Arm Diameter
Between 0.934 inches and 0.935 inches
Hub Thickness
1.719 inches
Hub Bore Diameter
Between 2.315 inches and 2.317 inches
Material
Steel
NSN
2520-00-558-5648
Part Number
3278R44
Description
Spider,differential
CAGE
78500

A spider with four radiating arms, designed to form a connection between two shafts, which allows one shaft to rotate while the other is stopped or rotates at a different speed or direction.

Part 3278R44 NSN 2520-00-558-5648

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10263
FIIG:
A52400
Concept No.:
1
App. Key:
Cond. Code:
2
Status:
A

Material Classification

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
85.0
WCC:
885
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483909500
  • SITC: 74890
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts

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