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Technical Data Sheet
PartsTable / COMPONENT / S287-1020ISSUE10PT35
S287-1020ISSUE10PT35 ✓ 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 is a the manufacturer industrial component. Key specifications include material: ASBESTOS INTERNALLY MOLDED-IN REINFORCEMENT, seal_width: 0.438 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 2.750 INCHES NOMINAL IN, accommodated_shaft_diameter: 2.000 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-298-0546, 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
S287-1020ISSUE10PT35
NSN: 5330-00-298-0546
FSC: 5330
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialASBESTOS INTERNALLY MOLDED-IN REINFORCEMENT
seal_width0.438 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter2.750 INCHES NOMINAL IN
accommodated_shaft_diameter2.000 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-298-0546
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S287-1020ISSUE10PT35 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: 2.000 INCHES NOMINAL IN
•
MATERIAL: STEEL SPRING
•
CONSTRUCTION: SOLID
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER2.000 INCHES NOMINAL IN
MATERIALSTEEL SPRING
MATERIALASBESTOS INTERNALLY MOLDED-IN REINFORCEMENT
CONSTRUCTIONSOLID
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
SEAL WIDTH0.438 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
3597Interchangeable
interchangeable cross-reference
interchangeable
376675Interchangeable
interchangeable cross-reference
interchangeable
292-1649GInterchangeable
interchangeable cross-reference
interchangeable
5473034Interchangeable
interchangeable cross-reference
interchangeable
87053Interchangeable
interchangeable cross-reference
interchangeable
WC50365Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S287-1020ISSUE10PT35?
S287-1020ISSUE10PT35 is a SEAL,PLAIN.
What parts can replace S287-1020ISSUE10PT35?
There are 8 known substitutes for S287-1020ISSUE10PT35: 3597, 376675, 292-1649G and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S287-1020ISSUE10PT35?
S287-1020ISSUE10PT35 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-298-0546. 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