Model: 77643-42X9 PIECE 21

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
3.5000 inches
Teeth Quantity
21
Bore Style
10a w/ keyway both ends
Mounting Hole Type And Quantity
1 plain transversely through hub, first end
Outside Diameter
3.833 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.750 inches first end
Face Width
0.750 inches
Bore Diameter
0.876 inches both ends
Keyway Width
0.189 inches both ends
Distance From Bore Center To Keyway Bottom
0.552 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
1.500 inches first end
Mounting Hole Diameter
0.344 inches transversely through hub, first end
Material
Steel comp 4140
Material Specification
66 federal standard single material response and aisi/sae 4140 assn standard single material response
Style Designator
Protruding hub
NSN
3020-01-149-6771
Part Number
77643-42X9 PIECE 21
Description
Gear,spur
CAGE
96169

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 77643-42X9 PIECE 21 NSN 3020-01-149-6771

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.2 X 4.2 X 2.0
Paclk Weight:
1.1000lbs
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:
197337
UFC:
96690
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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