Model: A-554.57

Spur Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
0.6250 inches
Teeth Quantity
20
Outside Diameter
0.686 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.375 inches both ends
Face Width
0.2455 inches
Hub Style Designator
1 step both ends
End Length
0.2500 inches both ends
End Diameter
0.2498 inches both ends
First Step Length
0.1260 inches both ends
First Step Diameter
0.375 inches both ends
Material
Steel comp 303
Material Specification
Qq-s-763, class303 federal specification single material response
Surface Treatment
Passivate
Style Designator
Protruding hubs
NSN
3020-00-086-9718
Part Number
A-554.57
Description
Gear,spur
CAGE
34228

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 A-554.57 NSN 3020-00-086-9718

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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

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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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