Model: 251-160HS375P1

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 2.4990 inches and 2.5000 inches
Teeth Quantity
160
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
32 transversely through hub, first end
Mounting Hole Thread Size
0.138 inches transversely through hub, first end
Mounting Hole Type And Quantity
1 threaded transversely through hub, first end
Outside Diameter
2.529 inches
Nominallength
0.375 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches first end
Face Width
0.125 inches
Bore Diameter
0.375 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.275 inches first end
Precision Classification
Quality number 10 or quality number 11
Material
Aluminum alloy 2024 teeth
Material
Steel comp 303 hub
Material Specification
Mil-s-7720, comp 303s military specification single material response hub
Material Specification
Qq-a-225/6, t4 federal specification single material response teeth
Surface Treatment
Anodize teeth
Surface Treatment
Passivate hub
Style Designator
Protruding hub
NSN
3020-00-226-1137
Part Number
251-160HS375P1
Description
Gear,spur
CAGE
01351

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 251-160HS375P1 NSN 3020-00-226-1137

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:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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