Model: 259-9638-020

Code Indicating Wheel Switch

Special Features:

Weapon system essential

Properties:

Overall Length
2.800 inches
Overall Height
1.700 inches
Overall Width
1.200 inches
Unthreaded Mounting Hole Diameter
0.101 inches single mounting facility
Individual Section Quantity
5
Longest Horizontal Distance Between Mounting Centers
2.500 inches single mounting facility
Longest Vertical Distance Between Mounting Centers
0.968 inches single mounting facility
End Application
Defense communications radio (9 systems). An/uyq-3a (2id) (02mjul83) air dir mobile airborne. Angrc171 radio. Spruance class dd (963), kidd class ddg, usns henery j. Kaiser class tao, hauge class t-ak 3000, t-akr 310 class. Marine air traffic control landing systems.
Mounting Method
Unthreaded hole single mounting facility
Actuator Type
Thumbwheel all actuators
Contact Voltage Rating In Volts
115.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Mounting Facility Pattern
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity
10 1st actuator
Switch Actuator Indexing Position Quantity
10 2nd actuator
Switch Actuator Indexing Position Quantity
10 3rd actuator
Switch Actuator Indexing Position Quantity
10 4th actuator
Switch Actuator Indexing Position Quantity
8 5th actuator
Criticality Code Justification
Feat
Terminal Type
Printed circuit
Contact Load Current Rating
125.0 milliamperes resistive load ac at sea level
Contact Load Current Rating
125.0 milliamperes resistive load dc at sea level
Readout Indicator Marking
0, 1, 2, 3, 4, 5, 6, 7, 8, 9 2nd section
Readout Indicator Marking
0, 1, 2, 3, 4, 5, 6, 7, 8, 9 3rd section
Readout Indicator Marking
0, 1, 2, 3, 4, 5, 6, 7, 8, 9 4th section
Readout Indicator Marking
00, 25, 50, 75, 00, 25, 50, 75 5th section
Readout Indicator Marking
2, 3, 2, 3, 2, 3, 2, 3, 2, 3 1st section
Contact Arrangement Truth Table
2 pole, double throw repeating, 10 positions 1st section
Contact Arrangement Truth Table
Bcd complement only, 1 pole - 10 positions 2nd section
Contact Arrangement Truth Table
Bcd complement only, 1 pole - 10 positions 3rd section
Contact Arrangement Truth Table
Bcd complement only, 1 pole - 10 positions 4th section
Contact Arrangement Truth Table
Bcd, 1 pole - 8 positions 5th section
Color
Black each body
Color
Black each indicator background
Color
White each indicator marking
Precious Material And Location
Contact surfaces gold
Precious Material
Gold
Style Designator
Rectangular inline indicating
NSN
5930-01-006-8421
Part Number
259-9638-020
Description
Switch,code Indicating Wheel
CAGE
13499

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 259-9638-020 NSN 5930-01-006-8421

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:
G
ESD:
ESD:
MMAC:
EH
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 3.0 X 3.0
Paclk Weight:
0.2000lbs
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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