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S702Y0421 — SENSING ELEMENT,FIRE DETECTOR SY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S702Y0421: SENSING ELEMENT,FIRE DETECTOR SY.

SENSING ELEMENT,FIRE DETECTOR SY. Key specifications include end_item_identification: RERP O-LEVEL POWERPLANT PACKAGE,SCC 2, part_name_assigned_by_controlling_agency: RESPONDER,FIRE DETECTION. This part is cataloged in the U.S.

Government catalog under NSN 6340-01-618-6541, 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
S702Y0421
NSN: 6340-01-618-6541
FSC: 6340 — Aircraft Alarm and Signal Systems
CAGE: 25693 — MEGGITT SAFETY SYSTEMS INC (USA)
SPECIFICATIONS
end_item_identificationRERP O-LEVEL POWERPLANT PACKAGE,SCC 2
part_name_assigned_by_controlling_agencyRESPONDER,FIRE DETECTION
NSN6340-01-618-6541
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SENSING ELEMENT,FIRE DETECTOR SY TITLE COMPONENT PN S702Y0421 MFR SENSING ELEMENT,FIRE D
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYRESPONDER,FIRE DETECTION
END ITEM IDENTIFICATIONRERP O-LEVEL POWERPLANT PACKAGE,SCC 2
OTHER ITEMS IN FSC 6340 — Aircraft Alarm and Signal Systems
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6340-00-001-4608 6340-00-001-4609 6340-00-001-4610 6340-00-003-1931 6340-00-003-1932 6340-00-003-9686 6340-00-004-4880 6340-00-004-9729
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 S702Y0421?
S702Y0421 is a SENSING ELEMENT,FIRE DETECTOR SY.
What is the NSN for S702Y0421?
S702Y0421 is cataloged in the U.S. Government catalog under NSN 6340-01-618-6541. 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.