Model: BM6387-50

Internal Gear

Special Features:

Counterbored, back side of gear 12.250 in.Min, 12.251 in.Max diameter counterbore, 9/16 in.Deep

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
22.5000 inches
Teeth Quantity
90
Outside Diameter
25.5000 inches
Nominallength
9.812 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
15.0000 degrees
Face Width
4.875 inches
Mounting Hole Diameter
0.875 inches transversely through hub, first end
Material
Steel
Style Designator
Solid back ring, protruding hub, recessed hub
NSN
3020-00-090-2547
Part Number
BM6387-50
Description
Gear,internal
CAGE
55509

A gear with teeth formed on the inner surface of a cylinder or cone.

Part BM6387-50 NSN 3020-00-090-2547

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05465
FIIG:
A27300
Concept No.:
1
App. Key:
AG
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:
--
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:
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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