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Technical Data Sheet
PartsTable / O-RING / AS568-111NMIL-R-83248 TY1 CL1
AS568-111NMIL-R-83248 TY1 CL1 ✓ 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 FLUOROCARBON CLASS FPM, temp_rating: -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.619 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN, center_hole_diameter: 0.417 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-166-1059, 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
AS568-111NMIL-R-83248 TY1 CL1
NSN: 5331-00-166-1059
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter0.619 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
center_hole_diameter0.417 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND 1 CLASS
NSN5331-00-166-1059
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-111NMIL-R-83248 TY1 CL1 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
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.619 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
•
TEMP RATING: -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 0.417 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS
ELONGATION PERCENTAGE125 MAXIMUM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.619 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
TEMP RATING-30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER0.417 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
ST897Interchangeable
interchangeable cross-reference
interchangeable
84603Interchangeable
interchangeable cross-reference
interchangeable
6F2956Interchangeable
interchangeable cross-reference
interchangeable
CV31S1701-336479ALT3ITEM1AInterchangeable
interchangeable cross-reference
interchangeable
24649Interchangeable
interchangeable cross-reference
interchangeable
94504S6307-769001ITEM16AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS568-111NMIL-R-83248 TY1 CL1?
AS568-111NMIL-R-83248 TY1 CL1 is a O-RING.
What parts can replace AS568-111NMIL-R-83248 TY1 CL1?
There are 32 known substitutes for AS568-111NMIL-R-83248 TY1 CL1: ST897, 84603, 6F2956 and 29 more. Substitute compatibility should be verified for your specific system.
Is AS568-111NMIL-R-83248 TY1 CL1 still available?
AS568-111NMIL-R-83248 TY1 CL1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026