Model: A4639

Spur Gear

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
3.8000 inches
Teeth Quantity
19
Bore Style
Plain both ends
Outside Diameter
4.200 inches
Pressure Angle
20.0000 degrees
Body Recess Depth
0.063 inches first end
Face Width
1.750 inches
Bore Diameter
1.4990 inches both ends
Keyway Width
0.375 inches both ends
Distance From Bore Center To Keyway Bottom
0.9380 inches both ends
Material
Steel
Material Specification
Cage 80393, 17-10p mfr ref single material response
Style Designator
Hubless, recessed body
NSN
3020-00-025-3503
Part Number
A4639
Description
Gear,spur
CAGE
30177

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 A4639 NSN 3020-00-025-3503

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:
--
Paclk Weight:
--
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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