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PartsTable / COMPONENT / NAFB49800
NAFB49800 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 33.375 INCHES NOMINAL IN, first_end_style: PLAIN, second_end_style: FLAT KEYWAY, special_features: 2 ADDITIONAL KEYWAYS IN LINE W/SECOND END KEYWAY ALONG SHAFT LG. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-036-4848, 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
NAFB49800
NSN: 3040-00-036-4848
FSC: 3040
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL
end_similarityNOT IDENTICAL
overall_length33.375 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_styleFLAT KEYWAY
special_features2 ADDITIONAL KEYWAYS IN LINE W/SECOND END KEYWAY ALONG SHAFT LG
first_end_diameter0.9990 INCHES NOMINAL IN
second_end_diameter0.9990 INCHES NOMINAL IN
external_keyway_length1.188 INCHES NOMINAL SECOND END IN
second_end_keyway_depth0.094 INCHES NOMINAL IN
second_end_keyway_width0.3750 INCHES NOMINAL IN
NSN3040-00-036-4848
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN NAFB49800 MFR SEMICONDUCTOR DEVICE,D
KEY FEATURES
•
SECOND END KEYWAY WIDTH: 0.3750 INCHES NOMINAL IN
•
EXTERNAL KEYWAY LENGTH: 1.188 INCHES NOMINAL SECOND END IN
•
SECOND END DIAMETER: 0.9990 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
SECOND END KEYWAY DEPTH: 0.094 INCHES NOMINAL IN
•
FIRST END DIAMETER: 0.9990 INCHES NOMINAL IN
•
SECOND END STYLE: FLAT KEYWAY
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END KEYWAY WIDTH0.3750 INCHES NOMINAL IN
EXTERNAL KEYWAY LENGTH1.188 INCHES NOMINAL SECOND END IN
SECOND END DIAMETER0.9990 INCHES NOMINAL IN
MATERIALSTEEL
SPECIAL FEATURES2 ADDITIONAL KEYWAYS IN LINE W/SECOND END KEYWAY ALONG SHAFT LG
SECOND END KEYWAY DEPTH0.094 INCHES NOMINAL IN
FIRST END DIAMETER0.9990 INCHES NOMINAL IN
SECOND END STYLEFLAT KEYWAY
FIRST END STYLEPLAIN
END SIMILARITYNOT IDENTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
S1F2Interchangeable
interchangeable cross-reference
interchangeable
JAN1N4937Interchangeable
interchangeable cross-reference
interchangeable
376-00034Interchangeable
interchangeable cross-reference
interchangeable
16101055Interchangeable
Same NIIN cross-reference
interchangeable
MBAFB4868A1PC64Interchangeable
Same NIIN cross-reference
interchangeable
AFB4980DInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAFB49800?
NAFB49800 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace NAFB49800?
There are 9 known substitutes for NAFB49800: S1F2, JAN1N4937, 376-00034 and 6 more. Substitute compatibility should be verified for your specific system.
Is NAFB49800 still available?
NAFB49800 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026