Sensitive Switch

120-134

120-134
(NSN) National Stock Number
5930-00-021-6840
Federal Supply Classification
5930 Switches
Item Name Code
00399
Schedule B Code
8536509050
Summary

2a thread class, bushing/hole mounted body style, 0.781 inches nominal overall length, 1.640 inches nominal overall height, 0.672 inches nominal overall width, 0.359 inches nominal bushing length

DAC HCC DMIL RNCC
5 - - 5
RNVC SADC MSDS RNAAC
9 - - TA
Identification

A switch with a quick-acting mechanism actuated by a highly delicate tactile contact. It may include a timer function. Includes membrane switch. Excludes: switch,flexible; switch,pressure; and switch,thermostatic.

INC FIIG Concept Condition
00399 A053A0 - 1
Specifications
Thread Class
2a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Body Style
bushing/hole mounted
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the body.
Overall Length
0.781 inches nominal
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Overall Height
1.640 inches nominal
Details The distance measured in a straight line from the bottom to the top of an item.
Overall Width
0.672 inches nominal
Details An overall measurement taken at right angles to the length of an item,in distinction from thickness.
Bushing Length
0.359 inches nominal
Details A measurement of the longest dimension of a bushing,in distinction from width.
Body Length
0.781 inches nominal
Details A measurement of the longest dimension of the body,in distinction from width.
Body Width
0.625 inches nominal
Details A measurement taken at right angles to the length of the body,in distinction from thickness.
Body Height
0.656 inches nominal
Details A measurement from the bottom to the top of the body,in distinction from depth.
Actuator Style
round
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the actuator.
Actuator Diameter
0.347 inches nominal
Details The length of a straight line which passes through the center of the actuator,and terminates at the circumference.
Actuator Height
0.375 inches nominal
Details None.
Actuator Free Position Height
0.734 inches nominal
Details None.
Maximum Voltage Rating In Volts
250.0 ac and 28.0 dc
Details The maximum voltage rating at which the item is designed to operate in an alternating current and/or direct current circuit,expressed in volts.
Inclosure Type
fully inclosed
Details Indicates the type of inclosure provided to coat,cover,protect,or encase the item.
Mounting Method
threaded bushing
Details The means of attaching the item.
Thread Quantity Per Inch
32
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.469 inches
Details A designation that is used for the purpose of general identification of the thread.
Nonpile-Up Contact Arrangement
1 two circuit, double break/double make, one position momentary single switch unit
Details The designation that identifies the electrical configuration of a nonpile-up contact group including the number of switching poles or forms.
Switch Release Force
48.0 ounces minimum
Details The amount to which the actuating force must be reduced to permit the switch to become unactuated.
Switch Actuating Force
80.0 ounces nominal
Details The amount of force required to actuate the switch.
Actuator Movement
0.093 pretravel inches maximum and 0.012 overtravel inches minimum and 0.020 differential inches nominal
Details The movement of the switch actuator.
Contact Load Current Rating At Maximum Rated Voltage
7.000 amperes resistive dc and 10.000 amperes resistive ac
Details The amount of current the contacts are rated to make or break at maximum rated voltage,with a specified load.
Thread Series Designator
uns
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Terminal Type And Quantity
4 tab, solder lug
Details Indicates the type and number of terminals for providing electrical connection.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
01-110029 04426 5 - 3 2 - TA
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
34430 - M -
RVC WCC TCC SHC
- 72D Z 9

What's Included?

  • Certificate of Conformity
  • QC Inspection prior to shipping
  • On time delivery
  • Friendly service to back every order
Manufacturer
AMPEX SYSTEMS CORP
CAGE: 92739
REDWOOD CITY , CA , 94064-3319
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5930-00-021-6840
What is the NIIN of the NSN 5930-00-021-6840?
The National Item Identification Number (NIIN) of the NSN 5930-00-021-6840 is 00-021-6840
When the NSN 5930-00-021-6840 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, May 10, 1968
Does the NSN 5930-00-021-6840 contain any precious metals?
Type/content is unknown
Does the NSN 5930-00-021-6840 contain any hazardous material?
No information in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

At Aerospace Shop, we are dedicated to providing high-quality aerospace components, shop supplies, replacement parts, and tools.

With a commitment to excellence and customer satisfaction, we aim to be your trusted partner in the aerospace industry.

Contact
800 Town and Country Blvd
Houston, TX, 77024
United States
© 2025 Aerospace Shop, Inc. All rights reserved.
Made in USA