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PartsTable / COMPONENT / 393S21P
393S21P ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_length: 0.750 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 1.500 INCHES NOMINAL IN, pole_quantity: 1 SINGLE SECTION REAR, terminal_type: QUICK DISCONNECT, MALE, thread_length: 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-761-6781, 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
393S21P
NSN: 5930-00-761-6781
FSC: 5930
CAGE: 76854 — ELECTRO SWITCH CORP. DBA OAK GRISGSBY DIV ELECTROSWITCH (USA)
SPECIFICATIONS
shaft_length0.750 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
overall_width1.500 INCHES NOMINAL IN
pole_quantity1 SINGLE SECTION REAR
terminal_typeQUICK DISCONNECT, MALE
thread_length0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_height1.500 INCHES NOMINAL IN
overall_length1.969 INCHES NOMINAL IN
throw_quantity3 SINGLE SECTION REAR
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
style_designatorTAP, SQUARE FRAME
nominal_thread_size0.469 INCHES SINGLE MOUNTING FACILITY IN
NSN5930-00-761-6781
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 393S21P MFR SWITCH,ROTARY
KEY FEATURES
•
CONTACT VOLTAGE RATING IN VOLTS: 240.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL
•
CONTACT SWITCHING ACTION: BREAKS BEFORE MAKES SINGLE SECTION REAR
•
TERMINAL TYPE: QUICK DISCONNECT, MALE
•
MOUNTING METHOD: THREADED BUSHING SINGLE MOUNTING FACILITY
•
CONTACT LOAD CURRENT RATING: 15.0 AMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL
•
SWITCH ACTUATOR INDEXING POSITION QUANTITY: 3 SINGLE ACTUATOR
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT VOLTAGE RATING IN VOLTS240.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL
CONTACT SWITCHING ACTIONBREAKS BEFORE MAKES SINGLE SECTION REAR
TERMINAL TYPEQUICK DISCONNECT, MALE
MOUNTING METHODTHREADED BUSHING SINGLE MOUNTING FACILITY
CONTACT LOAD CURRENT RATING15.0 AMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL
SWITCH ACTUATOR INDEXING POSITION QUANTITY3 SINGLE ACTUATOR
OVERALL HEIGHT1.500 INCHES NOMINAL IN
CONTACT LOAD CURRENT RATING7.5 AMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL
NONTURN DEVICE TYPESLOTTED BUSHING AT 12:00 OCLOCK
OVERALL WIDTH1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
8X321Interchangeable
interchangeable cross-reference
interchangeable
BB8021Interchangeable
interchangeable cross-reference
interchangeable
121540Interchangeable
interchangeable cross-reference
interchangeable
10034398-3Interchangeable
interchangeable cross-reference
interchangeable
AYLZ42-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 393S21P?
393S21P is a SWITCH,ROTARY.
What parts can replace 393S21P?
There are 5 known substitutes for 393S21P: 8X321, BB8021, 121540 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 393S21P?
393S21P is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-761-6781. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026