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1809661 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1809661: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3040-00-327-3677, 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
1809661
NSN: 3040-00-327-3677
NIINs: 003273677, 013277547
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 71791 — CURTISS-WRIGHT CONTROLS, INC. DBA CURTISS WRIGHT DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
Part Number1809661
NSN3040-00-327-3677
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 1809661 MFR MICROCIRCUIT,DIGITAL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCOPPER BERYLLIUM AMS561;O/A LG 4.770;GEAR 24 TEETH,28 DIAMETRAL PITCH;25 DEG PRESSURE ANGLE;.8571 IN. PITCH DIA;BOTH ENDS OF SHAFT SPLINED,ONE END 21 TEETH,45 DEG PRESSURE ANGLE,OTHER END 18 TEETH 30 DEG PRESSURE ANGLE IN
SUBSTITUTES & CROSS-REFERENCES 1
180966Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1809661?
1809661 is a MICROCIRCUIT,DIGITAL.
What parts can replace 1809661?
There is 1 known substitute for 1809661: 180966. Substitute compatibility should be verified for your specific system.
What is the NSN for 1809661?
1809661 is cataloged in the U.S. Government catalog under NSN 3040-00-327-3677. 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.