Model: 25233-1

Groove Pulley

Special Features:

Surface finishes - primer, type i, class c iaw mil-p-23377; enamal iaw mil-c-22750 - color no. 26270; treatment prior to assembly. Iaw mil-std-171; casting, class 1, grade d iaw mil-a-21180; nha davit assembly tq

Properties:

Groove Depth
3.750 inches
Groove Width
3.750 inches
Outside Diameter
21.500 inches
Overall Length
Between 5.520 inches and 5.530 inches
Bore Diameter
Between 3.372 inches and 3.374 inches
Bore Length
4.250 inches
End Application
W/s code helicopter mh-53e
V Groove Angle In Deg
50.0
Pitch Diameter
17.750 inches
Material And Location
Aluminum alloy, qq-a-601, alloy 356, t6
Face Width
3.750 inches
Design Form
Webbed
Bore Type
Straight
Bearings
Included
Groove Quantity
1
Counterbore Feature
Not included
Bearing Quantity
2
Keying Facility
Not included
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
Bore Feature
Included
Bearing Type
Needle roller
Hub End Outside Diameter And Location
4.250 inches both ends
Distance From Outside Flange/rim To Hub End And Location
0.888 inches both ends
Surface Treatment
Enamel
Style Designator
Webbed or spoked
Surface Treatment
Enameled
NSN
3020-01-467-8011
Part Number
25233-1
Description
Pulley,groove
CAGE
07070

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 25233-1 NSN 3020-01-467-8011

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:
8.0 X 5.0 X 26.0
Paclk Weight:
--
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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