Model: 18891

Groove Pulley

Special Features:

Both pulley faces painted red enamel

Properties:

Groove Depth
0.490 inches
Groove Width
0.490 inches
Outside Diameter
5.250 inches
Bore Length
0.875 inches
V Groove Angle In Deg
34.0
Pitch Diameter
Between 4.660 inches and 5.000 inches
Taper Bore Major Diameter
1.625 inches
Taper Bore Minor Diameter
1.562 inches
Material And Location
Iron, cast
Face Width
1.375 inches
Design Form
Webbed
Bore Type
Tapered
Bearings
Not included
Taper Major Diameter Location
Aa end
Groove Quantity
2
Counterbore Feature
Not included
Keying Facility
Not included
Securing Method
Split-tapered bushing
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
3l and 4l and a
Bore Feature
Included
Securing Location
Aa end
Hub End Outside Diameter And Location
3.125 inches both ends
Distance From Outside Flange/rim To Hub End And Location
0.500 inches aa end
Surface Treatment
Paint
Style Designator
Webbed or spoked
Surface Treatment
Painted
NSN
3020-01-112-1928
Part Number
18891
Description
Pulley,groove
CAGE
91161

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 18891 NSN 3020-01-112-1928

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:
--
Paclk Weight:
4.1000lbs
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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