Model: 17957-10

Rotary Switch

Properties:

Thread Class
2a 2nd mounting facility
Thread Class
2b 1st mounting facility
Thread Length
0.500 inches 2nd mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
14.030 inches
Overall Height
2.810 inches
Overall Width
2.810 inches
Shaft Length
2.530 inches single actuator
Individual Section Quantity
25
Knob Manufacturer Code
82121
Knob Manufacturer Part Number
G
Longest Horizontal Distance Between Mounting Centers
2.300 inches 1st mounting facility
Longest Vertical Distance Between Mounting Centers
2.300 inches 1st mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
2 each section rear
Throw Quantity
2 each section rear
Mounting Method
Bracket 1st mounting facility and threaded hole 1st mounting facility
Mounting Method
Threaded stud 2nd mounting facility
Features Provided
Actuator knob
Thready Qty Per Inch (tpi)
24 1st mounting facility
Thready Qty Per Inch (tpi)
56 2nd mounting facility
Thread Size
0.086 inches 2nd mounting facility
Thread Size
0.190 inches 1st mounting facility
Contact Voltage Rating In Volts
125.0 ac at sea level
Mounting Facility Pattern
Four position rectangular 1st mounting facility
Switch Actuator Indexing Position Quantity
2 single actuator
Shaft Type
Rectangular/square, threaded hole single actuator
Square Shaft Size
0.250 inches single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Makes before breaks, breaks before makes each section rear
Switch Actuator Positioning Increment
45.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
10.0 amperes resistive load ac at sea level
Precious Material And Location
Rotor and stator contact surfaces silver
Precious Material
Silver
Style Designator
Tap, circuit selector
Test Data Document
81349-mil-s-21604 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unc 1st mounting facility
Thread Series Designator
Unc 2nd mounting facility
Specification Data
81349-mil-s-21604/5 government specification
NSN
5930-00-831-2787
Part Number
17957-10
Description
Switch,rotary
CAGE
98853

A switch actuated by a definite angular rotation of the switch shaft about its axis. For items having rated actuation travel and pressure characteristics, see switch, sensitive. Excludes relay, rotary; switch, stepping; and switch, telephone (as modified).

Part 17957-10 NSN 5930-00-831-2787

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02134
FIIG:
A052B0
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:
P
PMIC:
S
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
15.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509025
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, rotary, rated at over 5 a, for a voltage not exceeding 1,000 volts

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