Thermostatic Switch

T678A1445

T678A1445
(NSN) National Stock Number
5930-00-951-2570
Federal Supply Classification
5930 Switches
Item Name Code
00451
Schedule B Code
9032100000
Summary

2.000 inches nominal overall length, 5.625 inches nominal overall height, 2.625 inches nominal overall width, 0.219 inches nominal mounting slot width, 2.000 inches nominal body length, 60.000 inches nominal capillary tube length

DAC HCC DMIL RNCC
3 - - 3
RNVC SADC MSDS RNAAC
2 - - TX
Identification

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).

INC FIIG Concept Condition
00451 A048B0 1 1
Specifications
Overall Length
2.000 inches nominal
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Overall Height
5.625 inches nominal
Details The distance measured in a straight line from the bottom to the top of an item.
Overall Width
2.625 inches nominal
Details An overall measurement taken at right angles to the length of an item,in distinction from thickness.
Mounting Slot Width
0.219 inches nominal
Details A measurement taken at right angles to the length of the mounting slot,in distinction from thickness.
Body Length
2.000 inches nominal
Details A measurement of the longest dimension of the body,in distinction from width.
Capillary Tube Length
60.000 inches nominal
Details A measurement of the longest dimension of a capillary tube.
Bulb Length
3.562 inches nominal
Details A measurement of the longest dimension of a bulb.
Bulb Diameter
0.500 inches nominal
Details The length of a straight line which passes through the center of the bulb,and terminates at the circumference.
Longest Horizontal Distance Between Mounting Centers
1.219 inches nominal
Details The longest distance between mounting centers parallel to the horizontal plane.
Shortest Horizontal Distance Between Mounting Centers
1.219 inches nominal
Details The shortest distance between mounting centers parallel to the horizontal plane.
Longest Vertical Distance Between Mounting Centers
4.188 inches nominal
Details The longest distance between mounting centers parallel to the vertical plane.
Temp Sensing Element Type
capillary tube-bulb
Details Indicates the type of sensor or transducer used in the item to convert temperature changes to switch actuating force.
Operating Temp Rating
13.0 deg celsius minimum and 79.0 deg celsius maximum
Details The temperature at which the item operates.
Mounting Method
slot
Details The means of attaching the item.
Contact Action Stimulus
increase
Details An indication of whether the initial action of the contacts occurs as the result of an increase or decrease in stimulus.
Mounting Facility Pattern
isosceles triangle
Details The general configuration and relative position of the facilities provided for mounting the item.
Nonpile-Up Contact Arrangement
1 pole, double throw, both positions maintained
Details The designation that identifies the electrical configuration of a nonpile-up contact group including the number of switching poles or forms.
Terminal Type
screw
Details Indicates the type of terminal for providing electrical connection to the item.
Contact Load Current Rating
67.0 milliamperes resistive load single voltage
Details The amount of current that the contacts are rated to make or break with a specified load.
Contact Adjustability
actuation point adjustable
Details The adjustability of the contact.
Contact Adjustment Range
+120.00 to 170.00 actuation point degrees fahrenheit
Details The minimum and maximum limits to which the contact(s) may be adjusted.
Contact Adjustment Type
external actuation point screw
Details Indicates the type of device provided for manual adjustment of the contact(s).
Contact Voltage Rating In Volts
120.0 ac at sea level single voltage
Details The voltage for which the contact(s) is rated at sea level or at a specified altitude,expressed in volts.
Frequency In Hertz
60.0 single voltage
Details The cycles per second /hertz/ of the alternating current.
Media For Which Designed
gas
Details The type of media for which the item is designed.
Style Designator
rectangular
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
8283441 ITEM NO 48 53711 5 - 5 2 - ZZ
434159-1 00752 A - 5 2 - TX
L6018D1012 17479 X - 5 9 - TX
T678A1445 17479 3 - 5 9 - TX
T678A1445 0YFP0 3 - 3 2 - ZZ
T678A14459 0YFP0 5 - 5 2 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
35205 - W -
RVC WCC TCC SHC
- 72D Z 9

What's Included?

  • Certificate of Conformity
  • QC Inspection prior to shipping
  • On time delivery
  • Friendly service to back every order
Manufacturer
HONEYWELL INC RESIDENTIAL DIV
CAGE: 27319
MINNEAPOLIS , MN , 55422-4386
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5930-00-951-2570
What is the NIIN of the NSN 5930-00-951-2570?
The National Item Identification Number (NIIN) of the NSN 5930-00-951-2570 is 00-951-2570
When the NSN 5930-00-951-2570 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Mon, Jan 1, 1962
Does the NSN 5930-00-951-2570 contain any precious metals?
Does not contain precious metal
Does the NSN 5930-00-951-2570 contain any hazardous material?
No information in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

At Aerospace Shop, we are dedicated to providing high-quality aerospace components, shop supplies, replacement parts, and tools.

With a commitment to excellence and customer satisfaction, we aim to be your trusted partner in the aerospace industry.

Contact
800 Town and Country Blvd
Houston, TX, 77024
United States
© 2025 Aerospace Shop, Inc. All rights reserved.
Made in USA