Model: 79253

Spur Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
1.6880 inches
Teeth Quantity
54
Bore Style
Plain both ends
Hardness Rating
85.0 rockwell superficial 15-n body and 90.0 rockwell superficial 15-n body
Outside Diameter
1.750 inches
Tooth Form
Standard
Pressure Angle
25.0000 degrees
Face Width
0.437 inches
Bore Diameter
0.906 inches both ends
Material
Steel comp 4620
Material Specification
Mil-s-7493 military specification single material response
Surface Treatment
Lubricant dry film
Surface Treatment Specification
Mil-l-8937 military specification single treatment response
Style Designator
Hubless
NSN
3020-01-057-2410
Part Number
79253
Description
Gear,spur
CAGE
98889

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 79253 NSN 3020-01-057-2410

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:
--
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:
E
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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