Model: 315401

Helical Gear

Special Features:

Second end countebored; 2.1880 in. Dia; 0.3750 in. Dp

Properties:

Body Style
Plain, solid
Pitch Diameter
2.7220 inches
Teeth Quantity
27
Bore Style
Tapered w/keyway both ends
Features Provided
Tapered keyway
Hardness Rating
335.0 brinell standard and 375.0 brinell standard
Outside Diameter
2.8940 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
30.0483 degrees
Distance Between Body Face And Protruding Hub End
0.281 inches first end
Face Width
1.250 inches
Keyway Width
0.3130 inches both ends
Distance From Bore Center To Keyway Bottom
0.8732 inches first end
Taper Major Diameter
1.3700 inches first end
Counterbore Diameter
2.1880 inches second end
Hub Style Designator
Plain first end
Hub Diameter
2.250 inches first end
Material
Steel
Material Specification
Mil-s-890, alloy no. 1 military specification single material response
Style Designator
Protruding hub
NSN
3020-00-517-2912
Part Number
315401
Description
Gear,helical
CAGE
21444

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 315401 NSN 3020-00-517-2912

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.7000lbs
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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