Model: 21EN51RB6

Sensitive Switch

Properties:

Thread Class
2a
Body Style
Bushing mounted
Hazardous Locations/environmental Protection
Explosion proof
Body Diameter
1.000 inches
Bushing Length
0.656 inches
Body Length
2.906 inches
Actuator Style
Roller plunger
Actuator Free Position Height
1.781 inches
Actuator Roller Diameter
0.500 inches
Actuator Roller Width
0.120 inches
Maximum Voltage Rating In Volts
115.0 ac and 28.0 dc
Inclosure Type
Fully enclosed
Mounting Method
Threaded bushing
Thread Size
0.625 inches
Nonpile-up Contact Arrangement
2 pole, double throw, one position momentary single switch unit
Switch Release Force
32.0 ounces
Switch Actuating Force
Between 48.0 ounces and 96.0 ounces
Actuator Movement
Between 0.040 pretravel inches and 0.250 overtravel inches and 0.020 differential inches
Contact Load Current Rating At Maximum Rated Voltage
5.000 amperes resistive dc and 3.000 amperes inductive dc and 4.000 amperes lamp dc and 5.000 amperes resistive ac
Thread Series Designator
Unef
Terminal Type And Quantity
1 connector, receptacle
NSN
5930-00-222-3751
Part Number
21EN51RB6
Description
Switch,sensitive
CAGE
91929

A switch with a quick-acting mechanism actuated by a highly delicate tactile contact. Includes membrane switch. excludes switch, flexible; switch, pressure; and switch, thermostatic.

Part 21EN51RB6 NSN 5930-00-222-3751

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00399
FIIG:
A053A0
Concept No.:
App. Key:
S
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:
0.5000lbs
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: 8536509050
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, slide, for a voltage not exceeding 1,000 v

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