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Technical Data Sheet
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354870 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, temp_rating: -60.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF, outside_diameter: 4.000 INCHES NOMINAL IN, special_features: ADHESIVE ONE SIDE, style_designator: CIRCULAR, aperture_diameter: 3.000 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 5330-01-192-8905, 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
354870
NSN: 5330-01-192-8905
FSC: 5330
CAGE: 24234 — AUSTIN-WESTRAN LLC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
temp_rating-60.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
outside_diameter4.000 INCHES NOMINAL IN
special_featuresADHESIVE ONE SIDE
style_designatorCIRCULAR
aperture_diameter3.000 INCHES NOMINAL IN
cross-sectional_thickness0.250 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-192-8905
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 354870 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
•
STYLE DESIGNATOR: CIRCULAR
•
TEMP RATING: -60.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
MATERIAL: RUBBER SILICONE CLASS Q OVERALL
•
APERTURE DIAMETER: 3.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCIRCULAR
TEMP RATING-60.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
SPECIAL FEATURESADHESIVE ONE SIDE
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
MATERIALRUBBER SILICONE CLASS Q OVERALL
APERTURE DIAMETER3.000 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
4-402863-001Interchangeable
interchangeable cross-reference
interchangeable
58632Interchangeable
interchangeable cross-reference
interchangeable
C99A9192-1Interchangeable
interchangeable cross-reference
interchangeable
55001795Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 354870?
354870 is a GASKET.
What parts can replace 354870?
There are 4 known substitutes for 354870: 4-402863-001, 58632, C99A9192-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 354870?
354870 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-192-8905. 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