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PartsTable / COMPONENT / B91891
B91891 ✓ 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 body_length: 0.785 INCHES NOMINAL IN, inclosure_material: CERAMIC, design_function_and_quantity: 4 GATE, NAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-358-0450, 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
B91891
NSN: 5962-01-358-0450
FSC: 5962
CAGE: K0967 — MBDA UK LTD (GBR)
SPECIFICATIONS
body_length0.785 INCHES NOMINAL IN
inclosure_materialCERAMIC
design_function_and_quantity4 GATE, NAND
NSN5962-01-358-0450
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN B91891 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
INCLOSURE MATERIAL: CERAMIC
•
DESIGN FUNCTION AND QUANTITY: 4 GATE, NAND
•
BODY LENGTH: 0.785 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INCLOSURE MATERIALCERAMIC
DESIGN FUNCTION AND QUANTITY4 GATE, NAND
BODY LENGTH0.785 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
11598936Interchangeable
interchangeable cross-reference
interchangeable
475996-H54Interchangeable
interchangeable cross-reference
interchangeable
5330008325651Interchangeable
interchangeable cross-reference
interchangeable
54F20DMQBInterchangeable
interchangeable cross-reference
interchangeable
7907809-26Interchangeable
interchangeable cross-reference
interchangeable
7908283-05Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B91891?
B91891 is a MICROCIRCUIT,DIGITAL.
What parts can replace B91891?
There are 18 known substitutes for B91891: 11598936, 475996-H54, 5330008325651 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B91891?
B91891 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-358-0450. 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