Model: 8451-7

Worm Gear

Properties:

Pitch Diameter
1.2500 inches
Face Type
Concave
Bore Style
Plain both ends
Outside Diameter
1.413 inches
Thread Form Quantity
4
Thread Form Direction
Right-hand
Pressure Angle
20.0000 degrees
Helix Angle
7.0000 degrees
Distance Between Body Face And Protruding Hub End
0.512 inches first end
Face Width
1.250 inches
Bore Diameter
0.630 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
1.010 inches first end
Material
Steel comp 1042
Material Specification
66, aisi/sae federal standard single material response
Surface Treatment
Cadmium
Style Designator
Protruding hub
NSN
3020-01-067-8308
Part Number
8451-7
Description
Gear,worm
CAGE
15645

A gear with teeth on its outer surface in the form of helical threads.

Part 8451-7 NSN 3020-01-067-8308

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05467
FIIG:
A27300
Concept No.:
1
App. Key:
AJ
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:
0.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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