Model: 28740

Spur Gear

Special Features:

Second end counterbore, 2.055 in. dia, 2.380 i. Nomina depth

Properties:

Body Style
Plain, solid
Spline Quantity
10 both ends
Pitch Diameter
3.7700 inches
Teeth Quantity
18
Bore Style
Straight spline both ends
Hardness Rating
26.0 brinell standard
Outside Diameter
4.380 inches
Tooth Form
Standard
Pressure Angle
2.0000 degrees
Distance Between Body Face And Protruding Hub End
1.251 inches both ends
Face Width
1.878 inches
Bore Diameter
2.100 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.869 inches both ends
Material
Steel or nickel alloy k-500
Material Specification
Ams 5643, 17-4ph assn standard 1st material response or qq-n-286 federal specification 2nd material response
Surface Treatment
Passivate
Style Designator
Protruding hubs
NSN
3020-01-087-1346
Part Number
28740
Description
Gear,spur
CAGE
07270

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 28740 NSN 3020-01-087-1346

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
6.7000lbs
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:
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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