A12-1531

View detailed technical data, stock status, and sourcing information for: A12-1531
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-449-6921

Item Name Code

00451

Assigment Date

12/08/1969 (56 years ago)

An_electromagnetically_actuated_switch_having_contact_wipers_which_are_successively_rotated_over_fixed_bank_contacts._the_contact_wipers_are_progressively_advanced_over_the_fixed_bank_contacts_through_a_repetitive_series_of_stepping_operations._the_stepping_operation_may_be_a_continuous_forward_rotation_acting_through_360_degrees_to_return_to_its_normal_unoperated_position_or_it_may_be_designed_to_include_an_electromagnetic_and/or_mechanical_means_for_releasing_and_resetting_the_switch_to_its_released_position_for_a_subsequent_operation._the_contact_wipers_may_be_mechanically_held_in_contact_with_the_fixed_bank_contacts_after_the_armature_of_the_actuating_coil_has_released._the_switch_may_be_released_at_the_end_of_its_travel_or_at_any_intermediate_position._it_includes_items_designed_with_two_electromagnetic_actuators_that_enable_the_switch_to_operate_in_either_direction._for_items_having_the_dual_function_of_a_switch_and_a_relay_assembled_together_on_a_common_mounting,_see_relay-switch._for_other_than_electromagnetically_actuated_switches_whose_contact wipers are manually rotated over fixed bank contacts, see switch, rotary. Excludes:relay, rotary and switch, telephone (as modified).

1.250 inches nominal overall width, 2.563 inches nominal overall length, 2a all threaded hole thread class, 2.610 inches nominal overall height, dustproof hazardous locations/environmental protection

Product Characteristics

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

Thread Class: 2a all threaded hole
Hazardous Locations/Environmental Protection: dustproof
Overall Length: 2.563 inches nominal
Overall Height: 2.610 inches nominal
Overall Width: 1.250 inches nominal
Distance Between Mounting Facility Centers: 2.179 inches minimum and 2.195 inches maximum
Capillary Tube Length: 30.0 inches nominal
Temp Sensing Element Type: capillary tube
Mounting Method: bracket and threaded hole
Features Provided: automatic reset
Thread Quantity Per Inch: 32 all threaded hole
Contact Action Stimulus: decrease
Nominal Thread Size: 0.164 inches all threaded hole
Mounting Facility Pattern: two position in-line
Nonpile-Up Contact Arrangement: 1 pole, single throw, normally closed, momentary action
Terminal Type: tab w/screw
Contact Load Current Rating: 8.3 amperes resistive load first voltage
Contact Load Current Rating: 16.0 amperes resistive load second voltage
Contact Adjustability: actuation point adjustable, preset
Contact Adjustment Range: +12.00 to 38.00 actuation point degrees fahrenheit
Contact Adjustment Type: external actuation point knob
Contact Stimulus Rating: 17.00 actuation point minimum degrees fahrenheit and 23.00 actuation point maximum degrees fahrenheit
Contact Voltage Rating In Volts: 120.0 dc at sea level second voltage
Contact Voltage Rating In Volts: 240.0 ac at sea level first voltage
Media For Which Designed: gas
Thread Series Designator: unc all threaded hole

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
A12-1531	Thermostatic Switch

FAQs

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

What is the FSCG of the NSN 5930-00-449-6921?

The FSCG of the NSN 5930-00-449-6921 is 5930

Does the NSN 5930-00-449-6921 have a Schedule B code assigned?

Yes, the Schedule B code is 9032100000

Does NSN 5930-00-449-6921 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 5930-00-449-6921 contain precious materials?

Precious metal content is unknown

Does NSN 5930-00-449-6921 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 5930-00-449-6921 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Dec 8, 1969