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Technical Data Sheet
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404066A — 404066A

✓ Government record, cited
KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE · COMPONENT
PRODUCT OVERVIEW

404066A: 404066A.

The 404066A is a KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE industrial component. This part is cataloged in the U.S. Government catalog under NSN 5962-01-452-4550, 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
404066A
NSN: 5962-01-452-4550
FSC: 5962 — Microcircuits, Electronic
CAGE: 61423 — KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE (USA)
SPECIFICATIONS
Part Number404066A
ManufacturerKIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE
NSN5962-01-452-4550
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE 404066A TITLE COMPONENT PN 404066A MFR KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE 404066A
KEY FEATURES
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INCLOSURE MATERIAL: CERAMIC
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TERMINAL SURFACE TREATMENT: SOLDER
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INCLOSURE CONFIGURATION: DUAL-IN-LINE
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MEMORY DEVICE TYPE: PAL
•
STORAGE TEMP RANGE: -65.0 TO 150.0 CELSIUS DEGC
•
OUTPUT LOGIC FORM: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
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VOLTAGE RATING AND TYPE PER CHARACTERISTIC: 5.0 VOLTS NOMINAL INPUT
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OPERATING TEMP RANGE: -55.0 TO 125.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS
INCLOSURE MATERIALCERAMIC
TERMINAL SURFACE TREATMENTSOLDER
INCLOSURE CONFIGURATIONDUAL-IN-LINE
MEMORY DEVICE TYPEPAL
STORAGE TEMP RANGE-65.0 TO 150.0 CELSIUS DEGC
OUTPUT LOGIC FORMCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
VOLTAGE RATING AND TYPE PER CHARACTERISTIC5.0 VOLTS NOMINAL INPUT
OPERATING TEMP RANGE-55.0 TO 125.0 CELSIUS DEGC
END ITEM IDENTIFICATIONC-17A ACFT E/I FSCM 61423 A
TERMINAL TYPE AND QUANTITY24 PRINTED CIRCUIT
SUBSTITUTES & CROSS-REFERENCES 2
8975501LAReference document
Same NSN cross-reference
Reference document — Secondary reference
ROM/PROMReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 404066A?
404066A is a 404066A manufactured by KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE.
What parts can replace 404066A?
There are 2 known substitutes for 404066A: 8975501LA, ROM/PROM. Substitute compatibility should be verified for your specific system.
What is the NSN for 404066A?
404066A is cataloged in the U.S. Government catalog under NSN 5962-01-452-4550. 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.