T991A1012

View detailed technical data, stock status, and sourcing information for: T991A1012
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-411-7623

Item Name Code

00451

Assigment Date

08/22/1969 (57 years ago)

5.625 inches nominal overall height, 2.000 inches nominal body length, 2.250 inches nominal overall width, 0.219 inches nominal unthreaded mounting hole diameter, 2.000 inches nominal overall length

Product Characteristics

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

Overall Length: 2.000 inches nominal
Overall Height: 5.625 inches nominal
Overall Width: 2.250 inches nominal
Body Length: 2.000 inches nominal
Unthreaded Mounting Hole Diameter: 0.219 inches nominal
Bulb Length: 3.562 inches nominal
Bulb Diameter: 0.500 inches nominal
Longest Horizontal Distance Between Mounting Centers: 1.188 inches nominal
Shortest Horizontal Distance Between Mounting Centers: 0.594 inches nominal
Temp Sensing Element Type: capillary tube-bulb
Mounting Method: surface and unthreaded hole
Features Provided: electrical access port
Contact Action Stimulus: increase
Mounting Facility Pattern: isosceles triangle
Terminal Type: tab w/screw
Contact Adjustability: deactuation point adjustable and actuation point adjustable
Contact Adjustment Range: +55.00 to 175.00 actuation point degrees fahrenheit and +55.00 to 175.00 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: 24.0 ac at sea level second voltage
Contact Voltage Rating In Volts: 30.0 ac at sea level first voltage
Media For Which Designed: gas or liquid
Style Designator: rectangular

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5930-00-077-6301	No Name Available	12/01/1985

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
D-21371	Thermostatic Switch
T991A1012	Thermostatic Switch
T991A1418	Thermostatic Switch

FAQs

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

What is the FSCG of the NSN 5930-00-411-7623?

The FSCG of the NSN 5930-00-411-7623 is 5930

Does the NSN 5930-00-411-7623 have a Schedule B code assigned?

Yes, the Schedule B code is 9032100000

Does NSN 5930-00-411-7623 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 5930-00-411-7623 contain precious materials?

Precious metal content is unknown

Does NSN 5930-00-411-7623 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 5930-00-411-7623 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Aug 22, 1969