Model: 927005-1

Worm Wheel Antibacklash Gear

Properties:

Attachment Method
Clamp
Pitch Diameter
Between 1.8740 inches and 1.8750 inches
Teeth Quantity
90
Face Type
Concave
Bore Style
Plain both ends
Outside Diameter
2.070 inches
Nominallength
0.402 inches
Tooth Direction
Right
Throat Radius
0.155 inches
Mating Thread Lead Quantity
2
Pressure Angle
20.0000 degrees
Helix Angle
7.0000 degrees
Distance Between Body Face And Protruding Hub End
0.215 inches first end
Face Width
0.187 inches
Bore Diameter
0.250 inches both ends
Hub Style Designator
Split first end
Hub Diameter
0.312 inches first end
Clamping Surface Length
0.215 inches first end
Material
Steel comp 303 hub
Material Specification
Qq-s-764 federal specification single material response hub
Surface Treatment
Passivate hub
Style Designator
Protruding hub
NSN
3020-00-232-0908
Part Number
927005-1
Description
Gear,antibacklash,worm Wheel
CAGE
09205

An item having one fixed gear and one free gear, both having the same complement of worm wheel gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

Part 927005-1 NSN 3020-00-232-0908

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26669
FIIG:
A27300
Concept No.:
App. Key:
AD
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:
AB
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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