Model: 18-8-23

Gear Cluster

Special Features:

Counterbore 2nd end; 1.635 in. Nom. Dia; 0.218 in. Nom. Dept

Properties:

Spline Quantity
6 both ends
Bore Style
Straight spline both ends
Design Type
Helical first gear
Design Type
Spur second gear
Construction
Solid
Hardness Rating
58.0 rockwell c and 62.0 rockwell c
Outside Diameter
2.406 inches second gear
Outside Diameter
3.938 inches first gear
Nominallength
1.988 inches
Hub Length
0.125 inches between first and second gear
Hub Length
0.739 inches first end
Bore Diameter
1.562 inches both ends
Hub Style Designator
Plain between first and second gear
Hub Style Designator
Plain first end
Hub Diameter
1.750 inches first end
Hub Diameter
2.062 inches between first and second gear
Material
Steel comp 8620
Material Specification
66 federal standard single material response and aisi/sae 8620 assn standard single material response
NSN
3020-00-646-7040
Part Number
18-8-23
Description
Gear Cluster
CAGE
95019

A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). Excludes gear subassembly, speed decreaser.

Part 18-8-23 NSN 3020-00-646-7040

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
36636
FIIG:
A270A0
Concept No.:
App. Key:
A
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:
2.6000lbs
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:
586
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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