Model: 757-2-2321

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 0.3105 inches and 0.3115 inches
Teeth Quantity
20
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc axially through body, first end
Mounting Hole Thready Qty Per Inch (tpi)
56 axially through body, first end
Mounting Hole Thread Size
0.086 inches axially through body, first end
Mounting Hole Type And Quantity
1 plain axially through body, first end and 1 threaded axially through body, first end
Outside Diameter
0.340 inches
Nominallength
0.320 inches
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.180 inches first end
Face Width
0.140 inches
Bore Diameter
0.155 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.250 inches first end
Mounting Hole Diameter
0.031 inches transversely through hub, first end
Material
Steel comp 303
Material Specification
Mil-s-7720, comp 303s military specification single material response
Surface Treatment
Passivate
Style Designator
Protruding hub
NSN
3020-00-580-4334
Part Number
757-2-2321
Description
Gear,spur
CAGE
81413

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 757-2-2321 NSN 3020-00-580-4334

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:
121870
UFC:
64910
LTL:
77.5
LCL:
70.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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