Model: 816998-1

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 0.4365 inches and 0.4375 inches
Teeth Quantity
21
Bore Style
Plain both ends
Mounting Hole Type And Quantity
1 plain transversely through hub, first end
Outside Diameter
0.4780 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.2180 inches first end
Face Width
0.125 inches
Bore Diameter
0.2505 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.3750 inches first end
Precision Classification
Quality number 10 or quality number 11
Mounting Hole Diameter
0.061 inches transversely through hub, first end
Material
Steel
Surface Treatment
Passivate
Surface Treatment Specification
Mil-f-14072, ty2 military specification single treatment response
Style Designator
Protruding hub
NSN
3020-00-503-5044
Part Number
816998-1
Description
Gear,spur
CAGE

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 816998-1 NSN 3020-00-503-5044

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:
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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