121901LB

View detailed technical data, stock status, and sourcing information for: 121901LB
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-755-3340

Item Name Code

02134

Assigment Date

01/01/1963 (63 years ago)

3b single mounting facility thread class, 3.562 inches nominal overall length, 2.500 inches nominal overall width, 2.312 inches nominal overall height, 1 individual section quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b single mounting facility
Overall Length: 3.562 inches nominal
Overall Height: 2.312 inches nominal
Overall Width: 2.500 inches nominal
Individual Section Quantity: 1
Switch Contact Basic Design: nonpile-up symmetrical
Pole Quantity: 1 single section front
Throw Quantity: 2 single section front
Mounting Facility Circle Radius: 1.156 inches nominal single mounting facility
Mounting Method: bracket and threaded hole single mounting facility
Features Provided: actuator knob
Thread Quantity Per Inch: 24 single mounting facility
Nominal Thread Size: 0.190 inches single mounting facility
Contact Voltage Rating In Volts: 125.0 ac at sea level
Switch Actuator Momentary Position: clockwise single actuator
Mounting Facility Pattern: four position circular single mounting facility
Switch Actuator Indexing Position Quantity: 2 single actuator
Terminal Type: tab w/screw
Contact Switching Action: breaks before makes single section front
Switch Actuator Positioning Increment: 90.0 degrees single actuator
Contact Load Current Rating: 10.0 amperes resistive load ac at sea level
Style Designator: tap, circuit selector
Thread Series Designator: unc single mounting facility

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
121901LB	Rotary Switch
1870146	Rotary Switch
C10993	Rotary Switch

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5930-00-755-3340?

The FSCG of the NSN 5930-00-755-3340 is 5930

Does the NSN 5930-00-755-3340 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509025

Does NSN 5930-00-755-3340 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5930-00-755-3340 contain precious materials?

Precious metal content is unknown

Does NSN 5930-00-755-3340 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5930-00-755-3340 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963