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1440891 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, body_width: 0.245 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, bore_shape: STRAIGHT, body_height: 0.120 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN, body_length: 0.750 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN, point_height: 0.093 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1285-00-054-4540, 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
1440891
NSN: 1285-00-054-4540
FSC: 1285
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL INNER RING
body_width0.245 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
body_height0.120 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
body_length0.750 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
point_height0.093 INCHES NOMINAL IN
bore_diameter30.00 MILLIMETERS NOMINAL MM
overall_width0.250 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
overall_length1.093 INCHES NOMINAL IN
point_diameter0.125 INCHES NOMINAL IN
NSN1285-00-054-4540
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 1440891 MFR MICROCIRCUIT,DIGITAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
273829-152Interchangeable
interchangeable cross-reference
interchangeable
12Z369-82Interchangeable
interchangeable cross-reference
interchangeable
77030Interchangeable
interchangeable cross-reference
interchangeable
DM54185AJ883BInterchangeable
interchangeable cross-reference
interchangeable
SN74185AJInterchangeable
interchangeable cross-reference
interchangeable
SNJ54185AJInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1440891?
1440891 is a MICROCIRCUIT,DIGITAL.
What parts can replace 1440891?
There are 8 known substitutes for 1440891: 273829-152, 12Z369-82, 77030 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1440891?
1440891 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1285-00-054-4540. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026