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21AT3 — SWITCH,TOGGLE

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

21AT3: SWITCH,TOGGLE.

The SWITCH,TOGGLE is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNT, body_width: 0.695 INCHES NOMINAL IN, body_height: 1.300 INCHES NOMINAL IN, body_length: 1.800 INCHES NOMINAL IN, thread_class: 2A A, actuator_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-027-2303, 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→ 21AT3
NSN: 5930-00-027-2303
FSC: 5930 — Switches
CAGE: 91929 — HONEYWELL INTERNATIONAL INC. DBA HONEYWEEL SENSING & CONTROLS (USA)
SPECIFICATIONS
body_styleBUSHING MOUNT
body_width0.695 INCHES NOMINAL IN
body_height1.300 INCHES NOMINAL IN
body_length1.800 INCHES NOMINAL IN
thread_class2A A
actuator_styleROUND
bushing_length0.343 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
actuator_height0.781 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
actuator_diameter0.125 INCHES NOMINAL IN
nominal_thread_size0.469 INCHES IN
NSN5930-00-027-2303
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TOGGLE TITLE COMPONENT PN 21AT3 MFR SWITCH,TOGGLE
KEY FEATURES
•
BUSHING LENGTH: 0.343 INCHES NOMINAL IN
•
ACTUATOR DIAMETER: 0.125 INCHES NOMINAL IN
•
INCLOSURE TYPE: UNINCLOSED
•
ACTUATOR POSITION-LOCKING RELATIONSHIP: UP POSITION NO LOCKING ACTION AND DOWN POSITION NO LOCKING ACTION AND CENTER POSITION LOCKED IN
•
BODY STYLE: BUSHING MOUNT
•
ACTUATOR STYLE: ROUND
•
MOUNTING METHOD: THREADED BUSHING
•
BODY WIDTH: 0.695 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.343 INCHES NOMINAL IN
ACTUATOR DIAMETER0.125 INCHES NOMINAL IN
INCLOSURE TYPEUNINCLOSED
ACTUATOR POSITION-LOCKING RELATIONSHIPUP POSITION NO LOCKING ACTION AND DOWN POSITION NO LOCKING ACTION AND CENTER POSITION LOCKED IN
BODY STYLEBUSHING MOUNT
ACTUATOR STYLEROUND
MOUNTING METHODTHREADED BUSHING
BODY WIDTH0.695 INCHES NOMINAL IN
BODY HEIGHT1.300 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.469 INCHES IN
OTHER ITEMS IN FSC 5930 — Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 21AT3?
21AT3 is a SWITCH,TOGGLE. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 21AT3?
21AT3 is cataloged in the U.S. Government catalog under NSN 5930-00-027-2303. 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.