Model: 26-645

Helical Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
1.6423 inches
Teeth Quantity
7
Bore Style
Plain both ends
Hardness Rating
55.0 rockwell c and 60.0 rockwell c
Mounting Hole Type And Quantity
1 plain transversely through hub, first end
Outside Diameter
1.765 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
74.5498 degrees
Distance Between Body Face And Protruding Hub End
0.500 inches first end
Face Width
0.500 inches
Bore Diameter
0.875 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
1.470 inches first end
Mounting Hole Diameter
0.190 inches transversely through hub, first end
Material
Steel
Material Specification
Qq-s-624 federal specification single material response
Style Designator
Protruding hub
NSN
3020-00-696-0421
Part Number
26-645
Description
Gear,helical
CAGE
35301

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 26-645 NSN 3020-00-696-0421

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:
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:
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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