PartsTable
Technical Data Sheet

MIL-S-81551/1 — SWITCH,TOGGLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MIL-S-81551/1: SWITCH,TOGGLE.

The SWITCH,TOGGLE is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNT, body_width: 1.000 INCHES MAXIMUM IN, body_height: 1.200 INCHES MAXIMUM IN, body_length: 1.400 INCHES MAXIMUM IN, thread_class: 2A A, overall_width: 1.000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-409-5388, 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
MIL-S-81551/1
NSN: 5930-00-409-5388
NIINs: 004095388, 012657767
FSC: 5930 — Switches
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleBUSHING MOUNT
body_width1.000 INCHES MAXIMUM IN
body_height1.200 INCHES MAXIMUM IN
body_length1.400 INCHES MAXIMUM IN
thread_class2A A
overall_width1.000 INCHES MAXIMUM IN
actuator_styleROUND
bushing_length0.470 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height2.360 INCHES NOMINAL IN
overall_length1.400 INCHES MAXIMUM IN
actuator_height1.160 INCHES NOMINAL IN
NSN5930-00-409-5388
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TOGGLE TITLE COMPONENT PN MIL-S-81551/1 MFR SWITCH,TOGGLE
KEY FEATURES
•
BUSHING LENGTH: 0.470 INCHES NOMINAL IN
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
BODY STYLE: BUSHING MOUNT
•
ACTUATOR STYLE: ROUND
•
BODY WIDTH: 1.000 INCHES MAXIMUM IN
•
MOUNTING SURFACE TO TERMINAL END DISTANCE: 1.200 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.470 INCHES NOMINAL IN
OVERALL HEIGHT2.360 INCHES NOMINAL IN
INCLOSURE TYPEHERMETICALLY SEALED
BODY STYLEBUSHING MOUNT
ACTUATOR STYLEROUND
BODY WIDTH1.000 INCHES MAXIMUM IN
MOUNTING SURFACE TO TERMINAL END DISTANCE1.200 INCHES MAXIMUM IN
OVERALL LENGTH1.400 INCHES MAXIMUM IN
OVERALL WIDTH1.000 INCHES MAXIMUM IN
FEATURES PROVIDEDACTUATOR SEAL
SUBSTITUTES & CROSS-REFERENCES 2
2LS2-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
M81551/1-412Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-S-81551/1?
MIL-S-81551/1 is a SWITCH,TOGGLE.
What parts can replace MIL-S-81551/1?
There are 2 known substitutes for MIL-S-81551/1: 2LS2-20, M81551/1-412. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-S-81551/1?
MIL-S-81551/1 is cataloged in the U.S. Government catalog under NSN 5930-00-409-5388. 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.