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139M17 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

139M17: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include thread_class: 2A SECOND THREADED STUD A, terminal_type: THREADED STUD, overall_length: 1.870 INCHES NOMINAL IN, mounting_method: THREADED STUD(S), special_features: DRAWING NAME - TEMP. SENDER UNIT - WATER OR OIL, style_designator: CYLINDRICAL.

This part is cataloged in the U.S. Government catalog under NSN 5930-01-503-9066, 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
MRO→ MRO_GENERAL→ 139M17
NSN: 5930-01-503-9066
FSC: 5930 — Switches
CAGE: 03533 — CRANE CARRIER COMPANY, LLC (USA)
SPECIFICATIONS
thread_class2A SECOND THREADED STUD A
terminal_typeTHREADED STUD
overall_length1.870 INCHES NOMINAL IN
mounting_methodTHREADED STUD(S)
special_featuresDRAWING NAME - TEMP. SENDER UNIT - WATER OR OIL
style_designatorCYLINDRICAL
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES SECOND THREADED STUD IN
operating_temp_rating100.0 FAHRENHEIT MINIMUM AND 230.0 FAHRENHEIT MAXIMUM DEGF
end_item_identificationNSN 2320-01-452-5579; TRUCK, TRACTOR
media_for_which_designedLIQUID
thread_quantity_per_inch32 SECOND THREADED STUD
NSN5930-01-503-9066
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 139M17 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN
•
TERMINAL TYPE: THREADED STUD
•
MOUNTING METHOD: THREADED STUD(S)
•
STYLE DESIGNATOR: CYLINDRICAL
•
NOMINAL THREAD SIZE: 0.190 INCHES SECOND THREADED STUD IN
•
OPERATING TEMP RATING: 100.0 FAHRENHEIT MINIMUM AND 230.0 FAHRENHEIT MAXIMUM DEGF
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
TERMINAL TYPETHREADED STUD
MOUNTING METHODTHREADED STUD(S)
STYLE DESIGNATORCYLINDRICAL
OVERALL LENGTH1.870 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.190 INCHES SECOND THREADED STUD IN
NOMINAL THREAD SIZE0.375 INCHES FIRST THREADED STUD IN
OPERATING TEMP RATING100.0 FAHRENHEIT MINIMUM AND 230.0 FAHRENHEIT MAXIMUM DEGF
SPECIAL FEATURESDRAWING NAME - TEMP. SENDER UNIT - WATER OR OIL
MEDIA FOR WHICH DESIGNEDLIQUID
SUBSTITUTES & CROSS-REFERENCES 1
A139M-17Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 139M17?
139M17 is a SWITCH,THERMOSTATIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 139M17?
There is 1 known substitute for 139M17: A139M-17. Substitute compatibility should be verified for your specific system.
What is the NSN for 139M17?
139M17 is cataloged in the U.S. Government catalog under NSN 5930-01-503-9066. 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.