Model: 2851-1

Code Indicating Wheel Switch

Properties:

Thread Class
2b single mounting facility
Overall Length
0.370 inches
Overall Height
1.645 inches
Overall Width
1.700 inches
Distance Between Mounting Facility Centers
1.437 inches single mounting facility
Individual Section Quantity
1
Operating Tempurature Range
-0.0/+71.0 degrees celsius
Mounting Method
Bracket single mounting facility and threaded hole single mounting facility
Actuator Type
Push button single actuator
Features Provided
Arc quenching
Thready Qty Per Inch (tpi)
56 single mounting facility
Thread Size
0.086 inches single mounting facility
Mounting Facility Pattern
Two position in-line single mounting facility
Switch Actuator Indexing Position Quantity
12 single actuator
Terminal Type
Printed circuit
Color
Black single body
Style Designator
Rectangular indicating
Thread Series Designator
Unc single mounting facility
NSN
5930-00-557-4231
Part Number
2851-1
Description
Switch,code Indicating Wheel
CAGE
91812

A switch which is externally actuated by a thumbwheel and/or pushbutton. A legend or message is visually displayed at each position of the indicating wheel which corresponds to electrically coded output. Electrically coded output is achieved by rotating a set of brush contacts permanently attached to the code indicating wheel, against a stationary commutator which is usually a printed wiring board having electrical pads or contacts which are interconnected by the rotating brush contacts. May have additional electrical components (such as resistors, capacitors, diodes) premounted on that portion of printed wiring board which extends beyond the back of switch housing.

Part 2851-1 NSN 5930-00-557-4231

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
62415
FIIG:
A052B0
Concept No.:
1
App. Key:
C
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:
P
PMIC:
U
ESD:
ESD:
MMAC:
EH
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:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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