Model: 2639.1

Rotary Switch

Special Features:

Old response showed any acceptabe for shaft length; body length: 3.000 in. Nom.; enviormental protection: water tight; switch actuator quantity: 1; frequency in hertz: 60.0; material enclosure type: metallic

Properties:

Overall Length
5.310 inches
Overall Diameter
5.690 inches
Unthreaded Mounting Hole Diameter
0.375 inches single mounting facility
Individual Section Quantity
3
Switch Contact Basic Design
Nonpile-up nonsymmetrical
Mounting Facility Circle Radius
2.810 inches single mounting facility
Mounting Method
Unthreaded hole single mounting facility
Features Provided
Actuator knob
Contact Voltage Rating In Volts
125.0 ac at sea level
Mounting Facility Pattern
Three position circular single mounting facility
Switch Actuator Indexing Position Quantity
2 single actuator
Shaft Type
Rectangular/square, threaded hole single actuator
Square Shaft Size
0.252 inches single actuator
Terminal Type
Screw
Contact Load Current Rating
10.0 amperes resistive load ac at sea level
Style Designator
Circular wafer, panel mount
Test Data Document
81349-mil-s-15743 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.).
Specification Data
81349-mil-s-15743/18 government specification
NSN
5930-01-221-2908
Part Number
2639.1
Description
Switch,rotary
CAGE
28003

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 2639.1 NSN 5930-01-221-2908

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.0000lbs
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:
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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