PartsTable
Technical Data Sheet
PartsTable / O-RING / AS568-021
AS568-021 ✓ 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 criticality_code_justification: ZZZY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-436-7107, 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
AS568-021
NSN: 5331-00-436-7107
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
NSN5331-00-436-7107
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-021 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: 0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
•
HARDNESS RATING: 50.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER SILICONE CLASS Q
•
OUTSIDE DIAMETER: 1.066 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
HARDNESS RATING50.0 SHORE DUROMETER A NOMINAL
TEMP RATING-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
MATERIALRUBBER SILICONE CLASS Q
OUTSIDE DIAMETER1.066 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
ARP568-021MILG23652 TY2Interchangeable
interchangeable cross-reference
interchangeable
AS3581CPInterchangeable
interchangeable cross-reference
interchangeable
ARP568-021MILG23652 TY2CPInterchangeable
interchangeable cross-reference
interchangeable
AS568-021Interchangeable
interchangeable cross-reference
interchangeable
AS568-021D7Interchangeable
interchangeable cross-reference
interchangeable
2-021-S613-60Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy AS568-021?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AS568-021?
AS568-021 is a O-RING.
What parts can replace AS568-021?
There are 12 known substitutes for AS568-021: ARP568-021MILG23652 TY2, AS3581CP, ARP568-021MILG23652 TY2CP and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-021?
AS568-021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-436-7107. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AS568-021

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026