Model: 277921

Spur Gear

Special Features:

Hub face has numerals and index lines painted on; numerals 0 through 9 to be spaced each 36 degrees, major index lines to be spaced each 36 degrees at numerals, and minor index lines to be spaced each 18 degrees between major lines

Properties:

Body Style
Plain, solid
Pitch Diameter
0.6250 inches
Teeth Quantity
40
Bore Style
W/counterbore counterbore, first end
Features Provided
Special marking
Outside Diameter
0.654 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.260 inches first end
Body Recess Depth
0.216 inches first end
Face Width
0.055 inches
Bore Diameter
0.250 inches both ends
Counterbore Depth
0.026 inches counterbore, first end
Counterbore Diameter
0.312 inches counterbore, first end
Hub Style Designator
Plain first end
Hub Diameter
0.735 inches first end
Material
Plastic acetal
Style Designator
Protruding hub, recessed body
Furnished Items And Quantity
1 lubricant impregnated bearing
NSN
3020-01-344-1890
Part Number
277921
Description
Gear,spur
CAGE
85374

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 277921 NSN 3020-01-344-1890

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

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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