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PartsTable / COMPONENT / 540SIZE3-4
540SIZE3-4 ✓ 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 540SIZE3-4 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 6680-00-551-2262, 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
540SIZE3-4
NSN: 6680-00-551-2262
FSC: 6680
CAGE: 20969 — ESSEX BRASS CORPORATION (USA)
SPECIFICATIONS
Part Number540SIZE3-4
NSN6680-00-551-2262
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 540SIZE3-4 TITLE COMPONENT PN 540SIZE3-4 MFR 540SIZE3-4
KEY FEATURES
•
DATA FURNISHING METHOD: CLEAR WINDOW
•
THREAD SERIES DESIGNATOR: UNABLE TO DECODE
•
STYLE DESIGNATOR: BULLS EYE
•
MATERIAL: COPPER ALLOY
•
NOMINAL THREAD SIZE: UNABLE TO DECODE
•
END CONNECTION TYPE: UNABLE TO DECODE
•
THREAD QUANTITY PER INCH: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONPOSEIDON
DATA FURNISHING METHODCLEAR WINDOW
THREAD SERIES DESIGNATORUNABLE TO DECODE
STYLE DESIGNATORBULLS EYE
MATERIALCOPPER ALLOY
NOMINAL THREAD SIZEUNABLE TO DECODE
END CONNECTION TYPEUNABLE TO DECODE
THREAD QUANTITY PER INCHUNABLE TO DECODE
FURNISHED DATALIQUID LEVEL
MEDIA FOR WHICH DESIGNEDOIL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
100XL-3/4-125PSInterchangeable
interchangeable cross-reference
interchangeable
540-3-4Interchangeable
interchangeable cross-reference
interchangeable
100XL-3/4-125 PSIInterchangeable
interchangeable cross-reference
interchangeable
MIL-M-38510/16Interchangeable
interchangeable cross-reference
interchangeable
SNM5408J00Interchangeable
interchangeable cross-reference
interchangeable
SN7408DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 540SIZE3-4?
540SIZE3-4 is a 540SIZE3-4.
What parts can replace 540SIZE3-4?
There are 9 known substitutes for 540SIZE3-4: 100XL-3/4-125PS, 540-3-4, 100XL-3/4-125 PSI and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 540SIZE3-4?
540SIZE3-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6680-00-551-2262. 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