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Technical Data Sheet
PartsTable / O-RING / AS3209-115 AMS7276
AS3209-115 AMS7276 ✓ 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 POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM, temp_rating: -5.0 CELSIUS AND 205.0 CELSIUS DEGC, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM, special_features: O-RING SHAPE;OPERATED BY FLUID HIGH TEMPERATURE, center_hole_diameter: 0.665 INCHES MINIMUM AND 0.683 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 5331-01-277-6583, 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
AS3209-115 AMS7276
NSN: 5331-01-277-6583
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
colorBROWN
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
temp_rating-5.0 CELSIUS AND 205.0 CELSIUS DEGC
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
special_featuresO-RING SHAPE;OPERATED BY FLUID HIGH TEMPERATURE
center_hole_diameter0.665 INCHES MINIMUM AND 0.683 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 TYPE/MODEL RB199MK101/103/104
material_document_and_classificationAMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR AMSTD2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-01-277-6583
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3209-115 AMS7276 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
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
•
COLOR: BROWN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR AMSTD2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
TEMP RATING: -5.0 CELSIUS AND 205.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
COLORBROWN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR AMSTD2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURESO-RING SHAPE;OPERATED BY FLUID HIGH TEMPERATURE
CENTER HOLE DIAMETER0.665 INCHES MINIMUM AND 0.683 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 TYPE/MODEL RB199MK101/103/104
TEMP RATING-5.0 CELSIUS AND 205.0 CELSIUS DEGC
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
AS3209-115Interchangeable
interchangeable cross-reference
interchangeable
946.91.27.760Interchangeable
interchangeable cross-reference
interchangeable
10361280Interchangeable
interchangeable cross-reference
interchangeable
J221P115Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889836PIInterchangeable
interchangeable cross-reference
interchangeable
556-6408589-32Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS3209-115 AMS7276?
AS3209-115 AMS7276 is a O-RING.
What parts can replace AS3209-115 AMS7276?
There are 19 known substitutes for AS3209-115 AMS7276: AS3209-115, 946.91.27.760, 10361280 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3209-115 AMS7276?
AS3209-115 AMS7276 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-277-6583. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026