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1981A3 — SWITCH,PUSH

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

1981A3: SWITCH,PUSH.

The SWITCH,PUSH is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNTED, body_width: 0.516 INCHES NOMINAL IN, body_height: 0.500 INCHES NOMINAL IN, body_length: 0.812 INCHES NOMINAL IN, overall_width: 0.516 INCHES NOMINAL IN, bushing_length: 0.469 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-436-2110, 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→ 1981A3
NSN: 5930-00-436-2110
FSC: 5930 — Switches
CAGE: 73586 — CIRCLE F INDUSTRIES (USA)
SPECIFICATIONS
body_styleBUSHING MOUNTED
body_width0.516 INCHES NOMINAL IN
body_height0.500 INCHES NOMINAL IN
body_length0.812 INCHES NOMINAL IN
overall_width0.516 INCHES NOMINAL IN
bushing_length0.469 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.562 INCHES NOMINAL IN
actuator_height0.500 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
nominal_thread_size0.469 INCHES IN
thread_quantity_per_inch32
NSN5930-00-436-2110
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN 1981A3 MFR SWITCH,PUSH
KEY FEATURES
•
BUSHING LENGTH: 0.469 INCHES NOMINAL IN
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY STYLE: BUSHING MOUNTED
•
MOUNTING METHOD: THREADED BUSHING
•
BODY WIDTH: 0.516 INCHES NOMINAL IN
•
BODY HEIGHT: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.469 INCHES NOMINAL IN
OVERALL HEIGHT1.562 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
BODY STYLEBUSHING MOUNTED
MOUNTING METHODTHREADED BUSHING
BODY WIDTH0.516 INCHES NOMINAL IN
BODY HEIGHT0.500 INCHES NOMINAL IN
OVERALL WIDTH0.516 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.469 INCHES IN
BODY LENGTH0.812 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
P27E1DReference document
Same NSN cross-reference
Reference document — Secondary reference
8900K197Reference document
Same NSN cross-reference
Reference document — Secondary reference
100Reference document
Same NSN cross-reference
Reference document — Secondary reference
80541EReference document
Same NSN cross-reference
Reference document — Secondary reference
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 1981A3?
1981A3 is a SWITCH,PUSH. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1981A3?
There are 4 known substitutes for 1981A3: P27E1D, 8900K197, 100 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1981A3?
1981A3 is cataloged in the U.S. Government catalog under NSN 5930-00-436-2110. 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.