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Technical Data Sheet
PartsTable / COMPONENT / 521EU
521EU ✓ 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 RESIN COATING,THERMOSETTING is a the manufacturer industrial component. Key specifications include color: CLEAR, special_features: FLASH POINT 30 DEG C TCC, VOC (GRAMS/LITRE) 860, VAPOUR PRESSURE (MMHG) 18.0, BOILING POINT 137-140DEG C, DEGC, part_name_assigned_by_controlling_agency: HUMISEAL THINNER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 8030-01-651-4175, 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
521EU
NSN: 8030-01-651-4175
FSC: 8030
CAGE: 99109 — CHASE CORPORATION DBA FLUID POLYMERS DIV HUMISEAL DIVISION (USA)
SPECIFICATIONS
colorCLEAR
special_featuresFLASH POINT 30 DEG C TCC, VOC (GRAMS/LITRE) 860, VAPOUR PRESSURE (MMHG) 18.0, BOILING POINT 137-140DEG C, DEGC
part_name_assigned_by_controlling_agencyHUMISEAL THINNER
NSN8030-01-651-4175
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESIN COATING,THERMOSETTING TITLE COMPONENT PN 521EU MFR RESIN COATING,THERMOSE
KEY FEATURES
•
COLOR: CLEAR
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESFLASH POINT 30 DEG C TCC, VOC (GRAMS/LITRE) 860, VAPOUR PRESSURE (MMHG) 18.0, BOILING POINT 137-140DEG C, DEGC
COLORCLEAR
PART NAME ASSIGNED BY CONTROLLING AGENCYHUMISEAL THINNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
51248Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
55071Interchangeable
interchangeable cross-reference
interchangeable
G284347-128Interchangeable
interchangeable cross-reference
interchangeable
G284347Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 521EU?
521EU is a RESIN COATING,THERMOSETTING.
What parts can replace 521EU?
There are 5 known substitutes for 521EU: 51248, 00044, 55071 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 521EU?
521EU is cataloged in the Federal Logistics Information System (FLIS) under NSN 8030-01-651-4175. 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