Model: 1801276

Worm Wheel Antibacklash Gear
Description:

Clamp attachment method, 0.9360 inches pitch diameter, 60 teeth quantity, plain both ends bore style, right tooth direction, 14.5000 degrees pressure angle.

Properties:

Attachment Method
Clamp
Pitch Diameter
Between 0.9360 inches and 0.9370 inches
Teeth Quantity
60
Face Type
Concave
Bore Style
Plain both ends
Tooth Direction
Right
Throat Radius
0.187 inches
Mating Thread Lead Quantity
4
Pressure Angle
14.5000 degrees
Bore Diameter
0.187 inches both ends
Material
Copper alloy
Material Specification
Mil-b-994 military specification single material response
Style Designator
Protruding hub
NSN
3020-00-010-7581
Part Number
1801276
Description
Gear,antibacklash,worm Wheel
CAGE
03956

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 1801276 NSN 3020-00-010-7581

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:
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:
121870
UFC:
64910
LTL:
77.5
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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