Model: 3HF1

Sensitive Switch

Special Features:

Weapon system essential

Properties:

Body Style
Hole mounted
Overall Length
3.453 inches
Overall Height
2.828 inches
Overall Width
1.000 inches
Actuator Style
Round
Actuator Free Position Height
1.719 inches
Housing Height
1.781 inches
Housing Length
2.625 inches
Housing Width
1.000 inches
Center To Center Distance Between Housing Mounting Facilities Parallel To Length
1.000 inches
Maximum Voltage Rating In Volts
250.0 ac
End Application
Aircraft, stratofortress b-52; aircraft, stratolifter c-135
Inclosure Type
Fully enclosed
Mounting Method
Unthreaded hole
Nonpile-up Contact Arrangement
1 pole, double throw, double break/double make, one position momentary single switch unit
Switch Release Force
10.0 ounces
Criticality Code Justification
Feat
Switch Actuating Force
Between 22.0 ounces and 52.0 ounces
Actuator Movement
Between 0.078 pretravel inches and 0.219 overtravel inches and 0.004 differential inches
Contact Load Current Rating At Maximum Rated Voltage
5.000 amperes resistive ac
Terminal Type And Quantity
4 screw
NSN
5930-00-268-1941
Part Number
3HF1
Description
Switch,sensitive
CAGE
60198

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 3HF1 NSN 5930-00-268-1941

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:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
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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