Model: B39-1177

Worm Wheel Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
1.2500 inches
Teeth Quantity
20
Face Type
Concave
Bore Style
W/counterbore both ends
Mounting Hole Type And Quantity
1 plain axially through body, first end
Outside Diameter
1.420 inches
Mating Thread Lead Quantity
4
Pressure Angle
20.0000 degrees
Helix Angle
21.7998 degrees
Distance Between Body Face And Protruding Hub End
0.310 inches first end
Face Width
0.310 inches
Bore Diameter
0.251 inches both ends
Counterbore Depth
0.090 inches first counterbore, second end
Counterbore Depth
0.750 inches first counterbore, first end
Counterbore Diameter
0.500 inches first counterbore, first end
Counterbore Diameter
0.750 inches first counterbore, second end
Hub Style Designator
Plain first end
Hub Diameter
0.625 inches first end
Mounting Hole Diameter
0.101 inches axially through body, first end
Material
Plastic polyamide
Style Designator
Protruding hub
NSN
3020-01-147-3034
Part Number
B39-1177
Description
Gear,worm Wheel
CAGE
55572

A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a gear (1), worm. See also gear, antibacklash, worm wheel.

Part B39-1177 NSN 3020-01-147-3034

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05468
FIIG:
A27300
Concept No.:
1
App. Key:
AK
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:
SX
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:
--
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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