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ST-20664-4 — BASE,ALARM,SMOKE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ST-20664-4: BASE,ALARM,SMOKE.

The BASE,ALARM,SMOKE is a the manufacturer industrial component. Key specifications include end_item_identification: ST-20664-1 SMOKE DETECTOR, general_characteristics_item_description: FLUSH MOUNT; PLASTIC; 6.500 IN. DIA; BIFURCATED CONTACTS IN.

This part is cataloged in the U.S. Government catalog under NSN 6350-01-176-4330, 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
ST-20664-4
NSN: 6350-01-176-4330
FSC: 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems
CAGE: 05CK7 — WINTEC LLC (USA)
SPECIFICATIONS
end_item_identificationST-20664-1 SMOKE DETECTOR
general_characteristics_item_descriptionFLUSH MOUNT; PLASTIC; 6.500 IN. DIA; BIFURCATED CONTACTS IN
NSN6350-01-176-4330
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BASE,ALARM,SMOKE TITLE COMPONENT PN ST-20664-4 MFR BASE,ALARM,SMOKE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: FLUSH MOUNT; PLASTIC; 6.500 IN. DIA; BIFURCATED CONTACTS IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONFLUSH MOUNT; PLASTIC; 6.500 IN. DIA; BIFURCATED CONTACTS IN
END ITEM IDENTIFICATIONST-20664-1 SMOKE DETECTOR
OTHER ITEMS IN FSC 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6350-00-001-4574 6350-00-001-9397 6350-00-003-0260 6350-00-003-1192 6350-00-003-1504 6350-00-003-1505 6350-00-003-1506 6350-00-003-3323
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 ST-20664-4?
ST-20664-4 is a BASE,ALARM,SMOKE.
What is the NSN for ST-20664-4?
ST-20664-4 is cataloged in the U.S. Government catalog under NSN 6350-01-176-4330. 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.