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645A744K93 — CRYSTAL UNIT,QUARTZ

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

645A744K93: CRYSTAL UNIT,QUARTZ.

The CRYSTAL UNIT,QUARTZ is a the manufacturer industrial component. Key specifications include end_item_identification: AIRPORT SURVEILLANCE RADAR 9(ASR9). This part is cataloged in the U.S.

Government catalog under NSN 5955-01-481-0607, 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
645A744K93
NSN: 5955-01-481-0607
FSC: 5955 — Oscillators and Piezoelectric Crystals
CAGE: 08125 — U S DEPT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION (USA)
SPECIFICATIONS
end_item_identificationAIRPORT SURVEILLANCE RADAR 9(ASR9)
NSN5955-01-481-0607
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CRYSTAL UNIT,QUARTZ TITLE COMPONENT PN 645A744K93 MFR CRYSTAL UNIT,QUARTZ
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONAIRPORT SURVEILLANCE RADAR 9(ASR9)
OTHER ITEMS IN FSC 5955 — Oscillators and Piezoelectric Crystals
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5955-00-001-1622 5955-00-001-2933 5955-00-001-2977 5955-00-001-3014 5955-00-001-3242 5955-00-001-3243 5955-00-001-3244 5955-00-001-3328
SUBSTITUTES & CROSS-REFERENCES 1
745A744K93Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 645A744K93?
645A744K93 is a CRYSTAL UNIT,QUARTZ.
What parts can replace 645A744K93?
There is 1 known substitute for 645A744K93: 745A744K93. Substitute compatibility should be verified for your specific system.
What is the NSN for 645A744K93?
645A744K93 is cataloged in the U.S. Government catalog under NSN 5955-01-481-0607. 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.