RD18990

View detailed technical data, stock status, and sourcing information for: RD18990
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-949-6556

Item Name Code

00206

Assigment Date

04/20/1966 (60 years ago)

1.500 inches nominal body diameter, absolute pressure switch type, 1.500 inches nominal body length, 2.453 inches nominal overall length, 1.310 inches nominal overall diameter

Product Characteristics

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

Overall Length: 2.453 inches nominal
Body Diameter: 1.500 inches nominal
Body Length: 1.500 inches nominal
Overall Diameter: 1.310 inches nominal
Pressure Switch Type: absolute
Width Across Flats: 0.500 inches nominal
Operating Temp Rating: -65.0 fahrenheit minimum and 250.0 fahrenheit maximum
Mounting Method: inlet connection
Thread Quantity Per Inch: 27 single pressure connection
Contact Action Stimulus: increase
Proof Pressure: 35.00 pounds per square inch
Nominal Thread Size: 0.125 inches single pressure connection
Nonpile-Up Contact Arrangement: 1 pole, double throw, one position momentary
Terminal Type: wire lead
Contact Load Current Rating: 3.0 amperes resistive load second voltage
Contact Load Current Rating: 1.0 amperes resistive load first voltage
Contact Adjustability: deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating: 3.00 differential point nominal pounds per square inch absolute
Contact Voltage Rating In Volts: 115.0 ac at sea level first voltage
Contact Voltage Rating In Volts: 30.0 dc at sea level second voltage
Pressure Connector Type: plain, threaded external single connection
Style Designator: cylindrical
Thread Series Designator: npt single pressure connection

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
506107-03-5	Pressure Switch
506107-27-2	Pressure Switch
7736473P1	Pressure Switch
RD18990	Pressure Switch

FAQs

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

What is the FSCG of the NSN 5930-00-949-6556?

The FSCG of the NSN 5930-00-949-6556 is 5930

Does the NSN 5930-00-949-6556 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509065

Does NSN 5930-00-949-6556 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 5930-00-949-6556 contain precious materials?

Precious metal content is unknown

Does NSN 5930-00-949-6556 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 5930-00-949-6556 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Apr 20, 1966