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A4-145K3-4 — SWITCH,SENSITIVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A4-145K3-4: SWITCH,SENSITIVE.

The SWITCH,SENSITIVE is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, body_style: BUSHING/HOLE MOUNTED, body_width: 0.491 INCHES NOMINAL IN, body_height: 1.672 INCHES NOMINAL IN, body_length: 1.250 INCHES NOMINAL IN, overall_width: 0.491 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-809-0456, 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
A4-145K3-4
NSN: 5930-00-809-0456
FSC: 5930 — Switches
CAGE: 81640 — SAFRAN POWER USA, LLC (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleBUSHING/HOLE MOUNTED
body_width0.491 INCHES NOMINAL IN
body_height1.672 INCHES NOMINAL IN
body_length1.250 INCHES NOMINAL IN
overall_width0.491 INCHES NOMINAL IN
actuator_styleROUND
bushing_length0.500 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height2.891 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
actuator_height0.719 INCHES NOMINAL IN
NSN5930-00-809-0456
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,SENSITIVE TITLE COMPONENT PN A4-145K3-4 MFR SWITCH,SENSITIVE
KEY FEATURES
•
BUSHING LENGTH: 0.500 INCHES NOMINAL IN
•
ACTUATOR DIAMETER: 0.484 INCHES NOMINAL IN
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY STYLE: BUSHING/HOLE MOUNTED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.500 INCHES NOMINAL IN
•
ACTUATOR STYLE: ROUND
•
MOUNTING METHOD: THREADED BUSHING
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.500 INCHES NOMINAL IN
OVERALL HEIGHT2.891 INCHES NOMINAL IN
ACTUATOR DIAMETER0.484 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
BODY STYLEBUSHING/HOLE MOUNTED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.500 INCHES NOMINAL IN
ACTUATOR STYLEROUND
MOUNTING METHODTHREADED BUSHING
SWITCH ACTUATING FORCE40.0 OUNCES NOMINAL OZ
BODY WIDTH0.491 INCHES NOMINAL 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 2
8724492-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DMS 86094BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A4-145K3-4?
A4-145K3-4 is a SWITCH,SENSITIVE.
What parts can replace A4-145K3-4?
There are 2 known substitutes for A4-145K3-4: 8724492-1, DMS 86094B. Substitute compatibility should be verified for your specific system.
What is the NSN for A4-145K3-4?
A4-145K3-4 is cataloged in the U.S. Government catalog under NSN 5930-00-809-0456. 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.