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137278-H1C — SWITCH,ROTARY

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

137278-H1C: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 0.812 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 1.625 INCHES NOMINAL IN, pole_quantity: 1 SINGLE SECTION REAR, terminal_type: TAB, SOLDER LUG. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-252-8987, 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→ 137278-H1C
NSN: 5930-00-252-8987
FSC: 5930 — Switches
CAGE: 76854 — ELECTRO SWITCH CORP. DBA OAK GRISGSBY DIV ELECTROSWITCH (USA)
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
shaft_length0.812 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
overall_width1.625 INCHES NOMINAL IN
pole_quantity1 SINGLE SECTION REAR
terminal_typeTAB, SOLDER LUG
thread_length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_height1.875 INCHES NOMINAL IN
overall_length2.124 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity5 SINGLE SECTION REAR
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
NSN5930-00-252-8987
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 137278-H1C MFR SWITCH,ROTARY
KEY FEATURES
•
SHAFT TYPE: ROUND SINGLE ACTUATOR
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
•
SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL
•
TERMINAL TYPE: TAB, SOLDER LUG
•
PRECIOUS MATERIAL: SILVER
•
CONTACT LOAD CURRENT RATING: 500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
TECHNICAL CHARACTERISTICS
SHAFT TYPEROUND SINGLE ACTUATOR
OVERALL HEIGHT1.875 INCHES NOMINAL IN
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE ACTUATOR IN
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
TERMINAL TYPETAB, SOLDER LUG
PRECIOUS MATERIALSILVER
CONTACT LOAD CURRENT RATING500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
CONTACT LOAD CURRENT RATING1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
MOUNTING METHODTHREADED BUSHING SINGLE MOUNTING FACILITY
THREAD LENGTH0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
SUBSTITUTES & CROSS-REFERENCES 1
F25428-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 137278-H1C?
137278-H1C is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 137278-H1C?
There is 1 known substitute for 137278-H1C: F25428-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 137278-H1C?
137278-H1C is cataloged in the U.S. Government catalog under NSN 5930-00-252-8987. 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.