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142AS303 — CLOCK COUNTDOWN MODULE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

142AS303: CLOCK COUNTDOWN MODULE.

The CLOCK COUNTDOWN MODULE is a the manufacturer industrial component. Key specifications include fsc_application_data: PROCESSOR,RADAR,AIRBORNE, general_characteristics_item_description: TWO CIRCUIT CARD ASSEMBLIES; 2.440 IN. LG; 1.950 IN.

W; 0.590 IN. H IN. This part is cataloged in the U.S.

Government catalog under NSN 5963-00-026-1126, 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
142AS303
NSN: 5963-00-026-1126
FSC: 5963 — Electronic Modules
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
fsc_application_dataPROCESSOR,RADAR,AIRBORNE
general_characteristics_item_descriptionTWO CIRCUIT CARD ASSEMBLIES; 2.440 IN. LG; 1.950 IN. W; 0.590 IN. H IN
NSN5963-00-026-1126
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CLOCK COUNTDOWN MODULE TITLE COMPONENT PN 142AS303 MFR CLOCK COUNTDOWN MODULE
KEY FEATURES
•
FSC APPLICATION DATA: PROCESSOR,RADAR,AIRBORNE
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: TWO CIRCUIT CARD ASSEMBLIES; 2.440 IN. LG; 1.950 IN. W; 0.590 IN. H IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAPROCESSOR,RADAR,AIRBORNE
GENERAL CHARACTERISTICS ITEM DESCRIPTIONTWO CIRCUIT CARD ASSEMBLIES; 2.440 IN. LG; 1.950 IN. W; 0.590 IN. H IN
OTHER ITEMS IN FSC 5963 — Electronic Modules
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5963-00-001-4121 5963-00-001-4307 5963-00-001-6580 5963-00-001-6581 5963-00-001-7083 5963-00-001-8302 5963-00-001-9516 5963-00-003-3565
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 142AS303?
142AS303 is a CLOCK COUNTDOWN MODULE.
What is the NSN for 142AS303?
142AS303 is cataloged in the U.S. Government catalog under NSN 5963-00-026-1126. 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.