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Technical Data Sheet
6840S ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include special_features: CHEMICAL REMOVERS FOR EXPOY/POLYURETHANE PRIMER AND POLYURETHANE TOPCOATS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-710-8698, 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
6840S
NSN: 5330-00-710-8698
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
special_featuresCHEMICAL REMOVERS FOR EXPOY/POLYURETHANE PRIMER AND POLYURETHANE TOPCOATS
NSN5330-00-710-8698
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6840S MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
11523Interchangeable
interchangeable cross-reference
interchangeable
3152-4-1-4Interchangeable
interchangeable cross-reference
interchangeable
120 23/32Interchangeable
interchangeable cross-reference
interchangeable
1314Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
40Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6840S?
6840S is a SEAL,PLAIN ENCASED.
What parts can replace 6840S?
There are 17 known substitutes for 6840S: 11523, 3152-4-1-4, 120 23/32 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6840S?
6840S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-710-8698. This indicates validated use in U.S. government and defense supply chains.
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