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Technical Data Sheet
ARP568-262 ✓ 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: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 7.214 INCHES MINIMUM AND 7.310 INCHES MAXIMUM IN, center_hole_diameter: 6.961 INCHES MINIMUM AND 7.007 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-245-5211, 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
ARP568-262
NSN: 5331-00-245-5211
FSC: 5331 — O-RING
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter7.214 INCHES MINIMUM AND 7.310 INCHES MAXIMUM IN
center_hole_diameter6.961 INCHES MINIMUM AND 7.007 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-245-5211
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ARP568-262 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
CENTER HOLE DIAMETER: 6.961 INCHES MINIMUM AND 7.007 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 7.262 INCHES NOMINAL IN
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
ELONGATION PERCENTAGE: 250 MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER6.961 INCHES MINIMUM AND 7.007 INCHES MAXIMUM IN
OUTSIDE DIAMETER7.262 INCHES NOMINAL IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
ELONGATION PERCENTAGE250 MAXIMUM
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
AS28775-262Interchangeable
interchangeable cross-reference
interchangeable
ARP568-262MILP5 516-70DURMInterchangeable
interchangeable cross-reference
interchangeable
SAE-AS28775Interchangeable
interchangeable cross-reference
interchangeable
AS568-262MILG22050GR1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ARP568-262?
ARP568-262 is a O-RING.
What parts can replace ARP568-262?
There are 4 known substitutes for ARP568-262: AS28775-262, ARP568-262MILP5 516-70DURM, SAE-AS28775 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ARP568-262?
ARP568-262 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-245-5211. This indicates validated use in U.S. government and defense supply chains.
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