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PartsTable / O-RING / AS3085-113
AS3085-113 ✓ 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 PACKING,PREFORMED,A is a the manufacturer industrial component. Key specifications include color: BROWN, material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM, temp_rating: -5.0 CELSIUS AND 205.0 CELSIUS DEGC, center_hole_diameter: 0.542 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, end_item_identification: 2840-99-645-9394; 2840-99-645-9395; 2840-99-766-0507; 2840-99-766-0508. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-166-1062, 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
AS3085-113
NSN: 5331-00-166-1062
FSC: 5331 — O-RING
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
colorBROWN
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
temp_rating-5.0 CELSIUS AND 205.0 CELSIUS DEGC
center_hole_diameter0.542 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
end_item_identification2840-99-645-9394; 2840-99-645-9395; 2840-99-766-0507; 2840-99-766-0508
reference_number_differentiating_characteristicsAS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199
NSN5331-00-166-1062
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3085-113 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: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
OUTSIDE DIAMETER: 0.755 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CENTER HOLE DIAMETER: 0.542 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER0.755 INCHES NOMINAL IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
CENTER HOLE DIAMETER0.542 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
LS5041-28Interchangeable
interchangeable cross-reference
interchangeable
5330PL1958988Interchangeable
interchangeable cross-reference
interchangeable
NAS1593-113Interchangeable
interchangeable cross-reference
interchangeable
MS9388-113Interchangeable
interchangeable cross-reference
interchangeable
342433Interchangeable
interchangeable cross-reference
interchangeable
Z00.N7425068113Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS3085-113?
AS3085-113 is a PACKING,PREFORMED,A.
What parts can replace AS3085-113?
There are 25 known substitutes for AS3085-113: LS5041-28, 5330PL1958988, NAS1593-113 and 22 more. Substitute compatibility should be verified for your specific system.
Is AS3085-113 still available?
AS3085-113 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