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3740-M ✓ 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 3740-M is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6640-00-494-3965, 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
3740-M
NSN: 6640-00-494-3965
FSC: 6640
CAGE: 36DP3 — CORNING INCORPORATED DBA CORNING DIV CORNING LIFE SCIENCES (USA)
SPECIFICATIONS
Part Number3740-M
NSN6640-00-494-3965
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 3740-M TITLE COMPONENT PN 3740-M MFR 3740-M
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: DD-G-541, TYPE 1, CLASS A FED SPEC SINGLE MATERIAL RESPONSE
•
MOUTH CONNECTION TYPE: STANDARD TAPER
•
STEM CONNECTION TYPE: STANDARD TAPER
•
MATERIAL: GLASS
•
LINEAR EXPANSION COEFFICIENT TEMP RANGE IN DEG CELSIUS: +0.0 TO 300.0
•
TRADE DESIGNATION: CO-BS 45/50 SIZE
•
CAPACITY RATING: 85.0 MILLILITERS NOMINAL
•
SIZE DESIGNATION: CO-BS 24/40 SIZE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONDD-G-541, TYPE 1, CLASS A FED SPEC SINGLE MATERIAL RESPONSE
MOUTH CONNECTION TYPESTANDARD TAPER
STEM CONNECTION TYPESTANDARD TAPER
MATERIALGLASS
LINEAR EXPANSION COEFFICIENT TEMP RANGE IN DEG CELSIUS+0.0 TO 300.0
TRADE DESIGNATIONCO-BS 45/50 SIZE
CAPACITY RATING85.0 MILLILITERS NOMINAL
SIZE DESIGNATIONCO-BS 24/40 SIZE
LINEAR EXPANSION COEFFICIENT PER DEG CELSIUS0.0000033
DESIGN DESIGNATIONSOXHLET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
DF374Interchangeable
interchangeable cross-reference
interchangeable
5L740Interchangeable
interchangeable cross-reference
interchangeable
774960Interchangeable
interchangeable cross-reference
interchangeable
3740Interchangeable
interchangeable cross-reference
interchangeable
MX1SD26PInterchangeable
interchangeable cross-reference
interchangeable
2305830Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3740-M?
3740-M is a 3740-M.
What parts can replace 3740-M?
There are 9 known substitutes for 3740-M: DF374, 5L740, 774960 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3740-M?
3740-M is cataloged in the Federal Logistics Information System (FLIS) under NSN 6640-00-494-3965. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026