Model: NA51-28PC11

Gear Cluster

Properties:

Bore Style
W/ keyway both ends
Design Type
Helical second gear
Design Type
Helical first gear
Construction
Solid
Outside Diameter
1.786 inches first gear
Outside Diameter
1.786 inches second gear
Nominallength
1.750 inches
Hub Length
0.250 inches between first and second gear
Bore Diameter
0.875 inches both ends
Keyway Width
0.188 inches both ends
Distance From Bore Center To Keyway Bottom
0.531 inches both ends
Hub Style Designator
Plain between first and second gear
Hub Diameter
1.438 inches between first and second gear
Material
Steel
Material Specification
Mil-s-20166, grade ht military specification single material response
NSN
3020-00-388-6670
Part Number
NA51-28PC11
Description
Gear Cluster
CAGE
65456

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 NA51-28PC11 NSN 3020-00-388-6670

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

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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