Model: BL90261

Spur Antibacklash Gear

Properties:

Pitch Diameter
3.1250 inches
Teeth Quantity
150
Bore Style
Plain both ends
Outside Diameter
3.166 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.276 inches first end
Face Width
0.091 inches
Bore Diameter
0.313 inches both ends
Hub Style Designator
1 step first end
End Length
0.094 inches first end
Precision Classification
Quality number 8
End Diameter
0.499 inches first end
First Step Length
0.120 inches first end
First Step Diameter
0.625 inches first end
Material
Aluminum alloy 2024 first gear
Material
Stainless steel hub
Material Specification
Qq-a-355, t3 federal specification single material response first gear
Material Specification
Qq-s-763, class 6, type c federal specification single material response hub
Style Designator
Protruding hub
Furnished Items And Quantity
2 spring and 2 stud
NSN
3020-00-760-4734
Part Number
BL90261
Description
Gear,antibacklash,spur
CAGE
01714

An item having one fixed gear and one free gear, both having the same complement of spur 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 BL90261 NSN 3020-00-760-4734

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26668
FIIG:
A27300
Concept No.:
App. Key:
AC
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 4.0 X 4.0
Paclk Weight:
0.3000lbs
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:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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