X9990-668

View detailed technical data, stock status, and sourcing information for: X9990-668
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-018-9199

Item Name Code

00451

Assigment Date

04/22/1967 (59 years ago)

A switch that is actuated by changes in ambient temperature. Excludes:circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. See also control, temperature (as modified) and regulator, temperature (as modified).

3.500 inches nominal body height, 2.938 inches nominal overall length, 3.000 inches nominal overall width, 4.250 inches nominal overall height, 0.140 inches nominal mounting slot width

Product Characteristics

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

Overall Length: 2.938 inches nominal
Overall Height: 4.250 inches nominal
Overall Width: 3.000 inches nominal
Mounting Slot Width: 0.140 inches nominal
Body Height: 3.500 inches nominal
Distance Between Mounting Facility Centers: 2.500 inches nominal
Capillary Tube Length: 72.0 inches nominal
Temp Sensing Element Type: capillary tube
Mounting Method: bracket and slot
Contact Action Stimulus: increase
Mounting Facility Pattern: two position in-line
Nonpile-Up Contact Arrangement: 1 pole, double throw, double break/double make, permanent jumper, one position momentary
Terminal Type: tab w/screw
Contact Load Current Rating: 30.0 amperes resistive load single voltage
Contact Adjustability: deactuation point adjustable and actuation point adjustable
Contact Adjustment Range: +200.00 to 550.00 actuation point degrees fahrenheit and +200.00 to 550.00 deactuation point degrees fahrenheit
Contact Adjustment Type: external deactuation point knob with scale and external actuation point knob with scale
Contact Voltage Rating In Volts: 277.0 ac at sea level single voltage
Frequency In Hertz: 60.0 single voltage
Media For Which Designed: gas or liquid
Style Designator: rectangular

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
D10Z26348-72	Thermostatic Switch
X9990-668	Thermostatic Switch

FAQs

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

What is the FSCG of the NSN 5930-00-018-9199?

The FSCG of the NSN 5930-00-018-9199 is 5930

Does the NSN 5930-00-018-9199 have a Schedule B code assigned?

Yes, the Schedule B code is 9032100000

Does NSN 5930-00-018-9199 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 5930-00-018-9199 contain precious materials?

Precious metal content is unknown

Does NSN 5930-00-018-9199 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 5930-00-018-9199 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Sat, Apr 22, 1967