PartsTable
Technical Data Sheet
AS3085-126 ✓ 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 color: BROWN, material: RUBBER, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, special_features: O-RING SHAPE;OPERATED BY FLUID, HIGH TEMPERATURE, center_hole_diameter: 1.350 INCHES MINIMUM AND 1.374 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 5331-01-208-0643, 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
AS3085-126
NSN: 5331-01-208-0643
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
colorBROWN
materialRUBBER
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
special_featuresO-RING SHAPE;OPERATED BY FLUID, HIGH TEMPERATURE
center_hole_diameter1.350 INCHES MINIMUM AND 1.374 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
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;MODEL RB199MK101/103/104;SIMILAR TO NSN 5330-01-208-0643
material_document_and_classificationAMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMD2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristicsAS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199
NSN5331-01-208-0643
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3085-126 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
ELONGATION PERCENTAGE: 125 MAXIMUM
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MATERIAL: RUBBER
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER: 1.350 INCHES MINIMUM AND 1.374 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
ELONGATION PERCENTAGE125 MAXIMUM
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MATERIALRUBBER
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER1.350 INCHES MINIMUM AND 1.374 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
2-126 V747-75Interchangeable
interchangeable cross-reference
interchangeable
AS3085-126Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS3085-126?
AS3085-126 is a O-RING.
What parts can replace AS3085-126?
There are 2 known substitutes for AS3085-126: 2-126 V747-75, AS3085-126. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3085-126?
AS3085-126 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-208-0643. This indicates validated use in U.S. government and defense supply chains.
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