Model: 321249

Groove Pulley

Properties:

Spline Major Diameter
0.682 inches
Counterbore Diameter
0.770 inches
Counterbore Depth
0.025 inches
Groove Depth
0.1875 inches
Groove Width
Between 0.166 inches and 0.172 inches
Outside Diameter
3.375 inches
Bolt Circle Diameter
2.500 inches
Spline Quantity
12
Spline Minor Diameter
Between 0.560 inches and 0.563 inches
Bore Length
Between 0.225 inches and 0.250 inches
Drilled Hole Diameter
Between 0.191 inches and 0.194 inches
Pitch Diameter
3.1875 inches
Securing Hole Quantity
17
Furnished Items And Quantity
N/a
Material And Location
Aluminum alloy, qq-a-355, t3-canceled
Face Width
Between 0.225 inches and 0.250 inches
Design Form
Plain
Bore Type
Straight spline
Bearings
Not included
Spline Length
Between 0.223 inches and 0.225 inches
Groove Quantity
1
Counterbore Feature
Included
Counterbore Location
Aa end
Hole Location
Located0.4375 in. From od of face
Keying Facility
Not included
Securing Method
Drilled hole
Split Hub Feature
Not included
Web/spoke Relationship To Face Centerline
Not offset
Lightening Hole
Not included
Integral Cooling Vane
Not included
Groove Shape
V
Standard V-belt Section Designation For Which Designed
A
Style Designator
Plain
NSN
3020-00-528-1299
Part Number
321249
Description
Pulley,groove
CAGE
73030

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see block, tackle. for items specifically designed for aviation, see pulley(1), groove, aviation.

Part 321249 NSN 3020-00-528-1299

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08109
FIIG:
T353-A
Concept No.:
1
App. Key:
AA
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127320
UFC:
64560
LTL:
70.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8487900080
  • SITC: 74999
  • End Use: Industrial machines, other
  • NAICS: 333999
  • USDA: 1

Freight Class: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers

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