Model: 53-87912-1

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
0.4170 inches
Teeth Quantity
20
Bore Style
Plain both ends
Outside Diameter
0.4700 inches
Teeth Type
Single helix
Tooth Form
Standard
Pressure Angle
25.0000 degrees
Helix Angle
14.0333 degrees
Distance Between Body Face And Protruding Hub End
0.178 inches both ends
Face Width
0.1920 inches
Bore Diameter
0.0700 inches both ends
Material
Copper hub
Material
Plastic polyamide body
Material Specification
Qq-b-626, comp 22 federal specification 2nd material response hub
Style Designator
Protruding hub
NSN
3020-00-021-7587
Part Number
53-87912-1
Description
Gear,helical
CAGE
12464

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 53-87912-1 NSN 3020-00-021-7587

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:
A
ESD:
ESD:
MMAC:
SX
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:
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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