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Technical Data Sheet
AS568B-216 ✓ 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 ETHYLENE-PROPYLENE CLASS EPM, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, special_features: TEMPERATURE RANGE IS -60 TO +300 DEGREES F; OUTSIDE DIAMETER IS 1.375; LUBRICATED WITH GLYCERIN, center_hole_diameter: 1.125 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN, end_item_identification: HARDWARE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-027-3112, 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
AS568B-216
NSN: 5331-01-027-3112
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
hardness_rating70.0 SHORE DUROMETER A NOMINAL
special_featuresTEMPERATURE RANGE IS -60 TO +300 DEGREES F; OUTSIDE DIAMETER IS 1.375; LUBRICATED WITH GLYCERIN
center_hole_diameter1.125 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
end_item_identificationHARDWARE
material_document_and_classificationMIL-STD-2041 MIL STD SINGLE MATERIAL RESPONSE
NSN5331-01-027-3112
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568B-216 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
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER: 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE: 80 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE80 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
2528918Interchangeable
interchangeable cross-reference
interchangeable
MILP5510Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-5510Interchangeable
interchangeable cross-reference
interchangeable
028-04353Interchangeable
interchangeable cross-reference
interchangeable
1000-011PC21Interchangeable
interchangeable cross-reference
interchangeable
DS947032CPIECE3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS568B-216?
AS568B-216 is a O-RING.
What parts can replace AS568B-216?
There are 25 known substitutes for AS568B-216: 2528918, MILP5510, AMS-P-5510 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568B-216?
AS568B-216 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-027-3112. This indicates validated use in U.S. government and defense supply chains.
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