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Technical Data Sheet
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303080 — O-RING

✓ Government record, cited
3M · ORING SEAL
PRODUCT OVERVIEW

303080: O-RING.

ARMR200 Series Anti-Reflection Matt Removable Display Protection Film - Protects screen - Reduces unwanted reflections and increases contrast for improved clarity and readability - Multi-layer construction includes an anti-reflective element and an easy-to-clean surface that minimises fingerprints - Robust enough to protect the underlying substrate, yet thin enough to have a minimum effect on touch screen sensitivity (not suitable however for capacitive touch displays) - Easy to apply and remove with no adhesive residue This part is cataloged in the U.S. Government catalog under NSN 5331-01-553-1352, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
303080
NSN: 5331-01-553-1352
FSC: 5331 — O-ring
CAGE: 095B7 — ATICO-INTERNORMEN (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter330.0 MILLIMETERS NOMINAL MM
cross-sectional_height5.0 MILLIMETERS NOMINAL MM
end_item_identificationDUPLEX FILTER
NSN5331-01-553-1352
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 303080 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: 5.0 MILLIMETERS NOMINAL MM
•
CENTER HOLE DIAMETER: 330.0 MILLIMETERS NOMINAL MM
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT5.0 MILLIMETERS NOMINAL MM
CENTER HOLE DIAMETER330.0 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONDUPLEX FILTER
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 1
831665Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 303080?
303080 is a O-RING manufactured by 3M.
What parts can replace 303080?
There is 1 known substitute for 303080: 831665. Substitute compatibility should be verified for your specific system.
What is the NSN for 303080?
303080 is cataloged in the U.S. Government catalog under NSN 5331-01-553-1352. This indicates validated use in U.S. government and defense supply chains.
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