Model: BL3891-1

Spur Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
1.5620 inches
Teeth Quantity
25
Bore Style
Plain both ends
Hardness Rating
52.0 rockwell c teeth and 56.0 rockwell c teeth
Outside Diameter
1.702 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
0.313 inches
Bore Diameter
1.023 inches both ends
Material
Steel comp e4340
Material Specification
Mil-s-5000 military specification single material response
Style Designator
Hubless
NSN
3020-00-999-3381
Part Number
BL3891-1
Description
Gear,spur
CAGE
08484

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part BL3891-1 NSN 3020-00-999-3381

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
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:
JY
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:
197337
UFC:
96690
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

End Items End applications NSN 3020-00-999-3381 is a component of

  • 010634582
  • Aircraft Mounted Winch
  • 000894171
  • Aircraft Mounted Winch
  • 004680283
  • Aircraft Mounted Winch

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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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