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642AS0191 — SENSING ELEMENT,FIRE DETECTOR SY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

642AS0191: SENSING ELEMENT,FIRE DETECTOR SY.

SENSING ELEMENT,FIRE DETECTOR SY. Key specifications include fire_alarm_minimum_temp_setting: 765.0 FAHRENHEIT DEGF. This part is cataloged in the U.S.

Government catalog under NSN 6340-01-090-8461, 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
642AS0191
NSN: 6340-01-090-8461
FSC: 6340 — Aircraft Alarm and Signal Systems
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
termination_quantity2
fire_alarm_minimum_temp_setting765.0 FAHRENHEIT DEGF
NSN6340-01-090-8461
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SENSING ELEMENT,FIRE DETECTOR SY TITLE COMPONENT PN 642AS0191 MFR SENSING ELEMENT,FIRE D
KEY FEATURES
•
TERMINATION QUANTITY: 2
•
FIRE ALARM MINIMUM TEMP SETTING: 765.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS
TERMINATION QUANTITY2
FIRE ALARM MINIMUM TEMP SETTING765.0 FAHRENHEIT DEGF
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 642AS0191?
642AS0191 is a SENSING ELEMENT,FIRE DETECTOR SY.
What is the NSN for 642AS0191?
642AS0191 is cataloged in the U.S. Government catalog under NSN 6340-01-090-8461. 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.