Model: 4-1640

Electrical Contact Brush Holder

Properties:

Thread Length
0.187 inches
Overall Length
0.781 inches
Overall Width
1.531 inches
Inside Width
0.189 inches
Overall Thickness
0.436 inches
Mounting Facility Quantity
1
Outer Surface Insulation Material
Plastic, phenolic
Contact End Bevel
Not included
Top Thread Location
External
Cap
Not included
Brush Quantity Accommodated Per Holder
1
Material And Location
Brass box supporting
Mounting Facility
Unthreaded holes
Style Designator
Round offset
Thread Size And Series/type Designator
0.312-18 unc
NSN
5977-00-660-8458
Part Number
4-1640
Description
Holder,electrical Contact Brush
CAGE
16636

A holder designed to accommodate and position a brush against a commutator or collector ring. Also includes items consisting of two or more brush holders (boxes) cast as an inseparable unit. May include facilities for applying pressure to the brush(es) and may also be furnished with the brush(es). See also holder assembly, electrical contact brush.

Part 4-1640 NSN 5977-00-660-8458

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02937
FIIG:
A22700
Concept No.:
1
App. Key:
A
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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
70.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8545900000
  • SITC: 77886
  • End Use: Electric apparatus
  • NAICS: 335991
  • USDA: 1

Freight Class: Electrical carbon or graphite articles,nesoi

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