Model: 4251-1621

Groove Pulley

Special Features:

For use with 3/4 in wire rope, transfer head, navy standard sliding block drive

Properties:

Groove Depth
1.125 inches
Groove Width
1.625 inches
Outside Diameter
16.000 inches
Overall Length
2.938 inches
Bore Diameter
2.755 inches
Bore Length
2.938 inches
End Application
Weapons system supply class aoe
Pitch Diameter
15.438 inches
Groove Radius
0.531 inches
Material And Location
Steel, cast
Face Width
1.750 inches
Design Form
Webbed
Bore Type
Straight
Bearings
Included
Groove Quantity
1
Counterbore Feature
Not included
Bearing Quantity
1
Keying Facility
Not included
Split Hub Feature
Not included
Web/spoke Relationship To Face Centerline
Not offset
Lightening Hole
Included
Integral Cooling Vane
Not included
Groove Shape
U
Bore Feature
Included
Bearing Type
Roller
Protruding Hub Characteristic
Plain
Hub End Outside Diameter And Location
4.000 inches both ends
Distance From Outside Flange/rim To Hub End And Location
0.594 inches both ends
Style Designator
Webbed or spoked
NSN
3020-01-416-1606
Part Number
4251-1621
Description
Pulley,groove
CAGE
96508

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 4251-1621 NSN 3020-01-416-1606

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:
18.0 X 18.0 X 0.0
Paclk Weight:
63.0000lbs
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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