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AT494 — GUARD,SWITCH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

AT494: GUARD,SWITCH.

The GUARD,SWITCH is a the manufacturer industrial component. Key specifications include material: PLASTIC, overall_width: 0.748 INCHES NOMINAL IN, overall_height: 0.453 INCHES NOMINAL IN, overall_length: 0.748 INCHES NOMINAL IN, end_item_identification: BIPOLAR AMPLIFIER. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-526-9811, 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
AT494
NSN: 5930-01-526-9811
FSC: 5930 — Switches
CAGE: 63426 — NKK SWITCHES OF AMERICA INC (USA)
SPECIFICATIONS
materialPLASTIC
overall_width0.748 INCHES NOMINAL IN
overall_height0.453 INCHES NOMINAL IN
overall_length0.748 INCHES NOMINAL IN
end_item_identificationBIPOLAR AMPLIFIER
NSN5930-01-526-9811
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GUARD,SWITCH TITLE COMPONENT PN AT494 MFR GUARD,SWITCH
KEY FEATURES
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.453 INCHES NOMINAL IN
OVERALL LENGTH0.748 INCHES NOMINAL IN
OVERALL WIDTH0.748 INCHES NOMINAL IN
END ITEM IDENTIFICATIONBIPOLAR AMPLIFIER
MATERIALPLASTIC
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AT494?
AT494 is a GUARD,SWITCH.
What is the NSN for AT494?
AT494 is cataloged in the U.S. Government catalog under NSN 5930-01-526-9811. 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.