Model: 47-620-221-1

Spur Gear

Special Features:

Teeth shaved to 4.598 in. Min, 4.602 in. Max od, 0.634 in. Min, 0.635 in. Max w from 2nd end, teeth undercut on 45 degrees angle, 0.030 in. W to 4.560 in. Od located 1.136 in. Min, 1.140 in. Max distance from 1st end

Properties:

Body Style
Plain, solid
Pitch Diameter
4.6000 inches
Teeth Quantity
46
Bore Style
W/counterbore both ends
Hardness Rating
89.0 rockwell superficial 15-n and 91.0 rockwell superficial 15-n
Hardness Rating
89.0 rockwell superficial 15-n and 91.0 rockwell superficial 15-n
Outside Diameter
4.799 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
1.773 inches
Bore Diameter
3.920 inches both ends
Counterbore Depth
0.400 inches second end
Counterbore Diameter
3.940 inches second end
Material
Steel
Surface Treatment
Copper alloy
Style Designator
Hubless
NSN
3020-00-434-8300
Part Number
47-620-221-1
Description
Gear,spur
CAGE
97499

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part 47-620-221-1 NSN 3020-00-434-8300

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
121870
UFC:
64910
LTL:
77.5
LCL:
70.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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