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Technical Data Sheet
503345 ✓ Verified by PartsTable
3M · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

<b>Crystal-clear, hard-coated, dirt-repellent, very simple assembly, residue-free removal</b><br><br>The 3M Vikuiti™ screen protector DQC160 is designed for application on electronic screens and offers reliable protection from scratches and soiling.<br><br>The surface of the film is as smooth and shiny as glass. Adhesive and film are both crystal clear so that when applied the film appears transparent.<br><br>The hard coating of the Vikuiti™ screen protector DQC160 furthermore offers optimal mechanical protection from scratches. An additional non-adhesive layer ensures that the protective film is also dirt-repellent enabling the removal of ball-point pens and marker pens ink through dry wiping.<br><br>An optimised adhesive layer ensures an easy-to-apply, bubble free application of the Vikuiti™ screen protector DQC160.

The adhesive layer is only slightly adhesive and readily forms a film over even surfaces. The protective film can easily be removed or repositioned at any time.<br><br>Th This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-050-0174, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
503345
NSN: 5331-00-050-0174
FSC: 5331 — O-RING
CAGE: 76005 — LORD CORPORATION DBA LORD CORP (USA)
SPECIFICATIONS
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter9.000 INCHES NOMINAL IN
bolt_circle_diameter8.188 INCHES NOMINAL IN
cross-sectional_thickness0.010 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5331-00-050-0174
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 503345 MFR: 3M ⚠ 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER: 3.071 INCHES MINIMUM AND 3.091 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER3.071 INCHES MINIMUM AND 3.091 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
11FC524Interchangeable
interchangeable cross-reference
interchangeable
22427Interchangeable
interchangeable cross-reference
interchangeable
503345Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503345?
503345 is a O-RING manufactured by 3M.
What parts can replace 503345?
There are 3 known substitutes for 503345: 11FC524, 22427, 503345. Substitute compatibility should be verified for your specific system.
What is the NSN for 503345?
503345 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-050-0174. This indicates validated use in U.S. government and defense supply chains.
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