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19-04-W533-1285 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

19-04-W533-1285: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, center_hole_diameter: 1.740 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN, cross-sectional_height: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-439-5355, 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
19-04-W533-1285
NSN: 5331-01-439-5355
FSC: 5331 — O-ring
CAGE: 18565 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CHOMERICS DIVISION (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
center_hole_diameter1.740 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
cross-sectional_height0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
NSN5331-01-439-5355
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 19-04-W533-1285 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: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.740 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.740 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
SUBSTITUTES & CROSS-REFERENCES 1
106381-003Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 19-04-W533-1285?
19-04-W533-1285 is a O-RING.
What parts can replace 19-04-W533-1285?
There is 1 known substitute for 19-04-W533-1285: 106381-003. Substitute compatibility should be verified for your specific system.
What is the NSN for 19-04-W533-1285?
19-04-W533-1285 is cataloged in the U.S. Government catalog under NSN 5331-01-439-5355. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.