PartsTable
Technical Data Sheet
AS568-109 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.505 INCHES NOMINAL IN, center_hole_diameter: 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-451-9571, 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
AS568-109
NSN: 5331-00-451-9571
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter0.505 INCHES NOMINAL IN
center_hole_diameter0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.103 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-451-9571
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-109 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
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER: 0.294 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 0.494 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
ELONGATION PERCENTAGE: 331 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER0.294 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.494 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
ELONGATION PERCENTAGE331 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
16312Interchangeable
interchangeable cross-reference
interchangeable
11328FInterchangeable
interchangeable cross-reference
interchangeable
6547Interchangeable
interchangeable cross-reference
interchangeable
127520Interchangeable
interchangeable cross-reference
interchangeable
KB16206Interchangeable
interchangeable cross-reference
interchangeable
AS568-109Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS568-109?
AS568-109 is a O-RING.
What parts can replace AS568-109?
There are 18 known substitutes for AS568-109: 16312, 11328F, 6547 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-109?
AS568-109 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-451-9571. This indicates validated use in U.S. government and defense supply chains.
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