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ORVI349 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ORVI349: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, special_features: OD IS 4.875 IN NOMINAL IN, center_hole_diameter: 4.500 INCHES NOMINAL IN, cross-sectional_height: 0.188 INCHES NOMINAL IN, end_item_identification: FAN VOLUTE SZ63.00 IN DIA IMPELLER CCW IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-535-2425, 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
ORVI349
NSN: 5331-01-535-2425
FSC: 5331 — O-ring
CAGE: 0FCJ1 — VSP TECH, INC. (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
special_featuresOD IS 4.875 IN NOMINAL IN
center_hole_diameter4.500 INCHES NOMINAL IN
cross-sectional_height0.188 INCHES NOMINAL IN
end_item_identificationFAN VOLUTE SZ63.00 IN DIA IMPELLER CCW IN
NSN5331-01-535-2425
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ORVI349 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
•
CROSS-SECTIONAL HEIGHT: 0.188 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 4.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
SPECIAL FEATURESOD IS 4.875 IN NOMINAL IN
CENTER HOLE DIAMETER4.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONFAN VOLUTE SZ63.00 IN DIA IMPELLER CCW IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ORVI349?
ORVI349 is a O-RING.
What is the NSN for ORVI349?
ORVI349 is cataloged in the U.S. Government catalog under NSN 5331-01-535-2425. This indicates validated use in U.S. government and defense supply chains.
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