Model: AC7921-1

Flat Pulley

Special Features:

Counterbore thd 1.625-18nef-3b on first end, 1.253-18ns-3b on second end

Properties:

Counterbore Diameter
Between 1.199 inches and 1.206 inches
Counterbore Depth
0.380 inches
Outside Diameter
Between 2.218 inches and 2.250 inches
Bore Diameter
1.181 inches
Bore Length
Between 2.146 inches and 2.147 inches
Material And Location
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Face Width
Between 2.146 inches and 2.147 inches
Design Form
Plain
Bore Type
Straight
Bearings
Not included
Counterbore Feature
Included
Counterbore Location
Both ends
Keying Facility
Not included
Split Hub Feature
Not included
Lightening Hole
Not included
Integral Cooling Vane
Not included
Crown Face
Not included
Rim Type
Solid
Bore Feature
Included
Protruding Hub Characteristic
Plain
Style Designator
Plain
NSN
3020-00-898-0148
Part Number
AC7921-1
Description
Pulley,flat
CAGE
54370

A pulley with a straight or crowned face. The item may include belt aligning flange(s). Excludes pulley, cone. For pulleys encased in a shell or frame, see block, tackle.

Part AC7921-1 NSN 3020-00-898-0148

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08111
FIIG:
T353-A
Concept No.:
1
App. Key:
AB
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.8000lbs
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:
127300
UFC:
64560
LTL:
60.0
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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