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3903961 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3903961: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNTED, body_length: 0.790 INCHES NOMINAL IN, thread_class: 2A A, body_diameter: 1.120 INCHES NOMINAL IN, overall_width: 1.120 INCHES NOMINAL IN, bushing_length: 0.660 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-235-6252, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
3903961
NSN: 5930-01-235-6252
FSC: 5930 — Switches
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
body_styleBUSHING MOUNTED
body_length0.790 INCHES NOMINAL IN
thread_class2A A
body_diameter1.120 INCHES NOMINAL IN
overall_width1.120 INCHES NOMINAL IN
bushing_length0.660 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.120 INCHES NOMINAL IN
overall_length2.690 INCHES NOMINAL IN
actuator_height0.380 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
nominal_thread_size0.625 INCHES IN
NSN5930-01-235-6252
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 3903961 MFR SWITCH,THERMOSTATIC
SUBSTITUTES & CROSS-REFERENCES 1
253322Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3903961?
3903961 is a SWITCH,THERMOSTATIC.
What parts can replace 3903961?
There is 1 known substitute for 3903961: 253322. Substitute compatibility should be verified for your specific system.
What is the NSN for 3903961?
3903961 is cataloged in the U.S. Government catalog under NSN 5930-01-235-6252. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.