Model: BK34

Groove Pulley

Special Features:

Pitch diameter is based on belt, 4l belt is smaller diameter, 5l is larger diameter; setscrew is located over keyway.

Properties:

Outside Diameter
3.5500 inches
Overall Length
1.2800 inches
Keyway Width
0.1880 inches
Bore Diameter
0.6250 inches
Bore Length
1.2800 inches
Distance From Center Of Bore To Bottom Of Keyway
Between 0.3125 inches and 0.3132 inches
End Application
Nsn 4110-01-394-6473 refrigeration unie, mechanical
Pitch Diameter
2.8000 inches and 3.2000 inches
Material And Location
Iron, cast
Face Width
0.8750 inches
Design Form
Spoked
Bore Type
Straight
Bearings
Not included
Groove Quantity
1
Counterbore Feature
Not included
Keying Facility
Included
Keying Facility Type
Keyway
Securing Method
Key and setscrew
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
4l and 5l
Bore Feature
Included
Protruding Hub Characteristic
Plain
Securing Location
Aa end
Hub End Outside Diameter And Location
1.8125 inches aa end
Distance From Outside Flange/rim To Hub End And Location
0.4602 inches aa end and 0.1250 inches bb end
Quantity
1
Style Designator
Webbed or spoked
NSN
3020-01-485-0024
Part Number
BK34
Description
Pulley,groove
CAGE
71176

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 BK34 NSN 3020-01-485-0024

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
3.0 X 5.0 X 8.0
Paclk Weight:
1.4000lbs
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:
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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