Model: 1021-355

Helical Gear

Special Features:

Timing mark on 4th tooth ccw from center line of keyway+ grumman aerospace a-10 aircraft

Properties:

Body Style
Plain, solid
Pitch Diameter
2.4140 inches
Teeth Quantity
27
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
2.5775 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
0.3999 degrees
Distance Between Body Face And Protruding Hub End
0.405 inches first end
Face Width
0.877 inches
Bore Diameter
1.3745 inches both ends
Keyway Width
0.1555 inches both ends
Distance From Bore Center To Keyway Bottom
0.770 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
2.000 inches first end
Material
Steel
Material Specification
Fed standard 66/aisi c1113 federal standard single material response
Style Designator
Protruding hub
NSN
3020-00-249-9905
Part Number
1021-355
Description
Gear,helical
CAGE
10137

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 1021-355 NSN 3020-00-249-9905

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.6000lbs
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:
197339
UFC:
96710
LTL:
65.0
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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