Model: N-272-1B-42-1

Groove Pulley

Special Features:

Rim beveled 45 deg, 1/8 in. Deep, 3-1/8 in. Dia

Properties:

Groove Depth
0.688 inches
Groove Width
Between 0.654 inches and 0.658 inches
Outside Diameter
4.813 inches
Overall Length
1.750 inches
Keyway Width
Between 0.157 inches and 0.159 inches
Thread Size
3/8 - 16
Bore Diameter
Between 0.624 inches and 0.625 inches
Bore Length
1.500 inches
Distance From Center Of Bore To Bottom Of Keyway
Between 0.3875 inches and 0.3905 inches
V Groove Angle In Deg
38.0
Securing Hole Quantity
1
Material And Location
Iron, 102, superior engine co
Face Width
0.875 inches
Design Form
Webbed
Bore Type
Straight
Bearings
Not included
Groove Quantity
1
Counterbore Feature
Not included
Hole Location
Located 180 degrees from keyway
Keying Facility
Included
Keying Facility Type
Keyway
Securing Method
Threaded hole
Split Hub Feature
Not included
Web/spoke Relationship To Face Centerline
Offset
Lightening Hole
Not included
Integral Cooling Vane
Not included
Groove Shape
V
Standard V-belt Section Designation For Which Designed
B
Bore Feature
Included
Securing Location
Aa end
Hub End Outside Diameter And Location
1.500 inches both ends
Distance From Outside Flange/rim To Hub End And Location
0.875 inches aa end and 0.250 inches bb end
Quantity
1
Style Designator
Webbed or spoked
NSN
3020-00-256-4189
Part Number
N-272-1B-42-1
Description
Pulley,groove
CAGE
55509

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 N-272-1B-42-1 NSN 3020-00-256-4189

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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