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PartsTable / COMPONENT / VN7868
VN7868 ✓ 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 material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A, case_style: SQUARE, seal_width: 0.437 INCHES NOMINAL IN, outside_diameter: 3.941 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 3.937 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-582-5739, 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
VN7868
NSN: 5330-00-582-5739
FSC: 5330
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
case_styleSQUARE
seal_width0.437 INCHES NOMINAL IN
outside_diameter3.941 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter3.937 INCHES NOMINAL IN
sealing_element_styleANGULAR-OPPOSED
accommodated_shaft_diameter2.625 INCHES NOMINAL IN
NSN5330-00-582-5739
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: VN7868 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
KEY FEATURES
•
ACCOMMODATED SHAFT DIAMETER: 2.625 INCHES NOMINAL IN
•
SEAL WIDTH: 0.437 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
•
SURFACE TREATMENT: PLASTIC CASE
•
HOUSING BORE DIAMETER: 3.937 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.941 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER2.625 INCHES NOMINAL IN
SEAL WIDTH0.437 INCHES NOMINAL IN
CASE STYLESQUARE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
SURFACE TREATMENTPLASTIC CASE
HOUSING BORE DIAMETER3.937 INCHES NOMINAL IN
OUTSIDE DIAMETER3.941 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
E2266-1PC35Interchangeable
interchangeable cross-reference
interchangeable
E2645PC58Interchangeable
interchangeable cross-reference
interchangeable
E3133PC168Interchangeable
interchangeable cross-reference
interchangeable
26346Interchangeable
interchangeable cross-reference
interchangeable
SMC110056Interchangeable
interchangeable cross-reference
interchangeable
A26346Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is VN7868?
VN7868 is a SEAL,PLAIN ENCASED.
What parts can replace VN7868?
There are 16 known substitutes for VN7868: E2266-1PC35, E2645PC58, E3133PC168 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for VN7868?
VN7868 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-582-5739. 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