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Technical Data Sheet
PartsTable / O-RING / AMS7276 BROWN ONLY/AS3209-0
AMS7276 BROWN ONLY/AS3209-0 ✓ 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 AMS7276 BROWN ONLY/AS3209-0 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-385-9399, 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
AMS7276 BROWN ONLY/AS3209-0
NSN: 5331-01-385-9399
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberAMS7276 BROWN ONLY/AS3209-0
NSN5331-01-385-9399
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AMS7276 BROWN ONLY/AS3209-0 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
•
CENTER HOLE DIAMETER: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248 TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
•
COLOR: BROWN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248 TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
COLORBROWN
SPECIAL FEATURESCOLOR BROWN ONLY
MATERIALRUBBER FLUOROCARBON CLASS FPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
M83248/1-010Interchangeable
interchangeable cross-reference
interchangeable
DF298851 FIND 7Interchangeable
interchangeable cross-reference
interchangeable
20346-400 FINDInterchangeable
interchangeable cross-reference
interchangeable
4405591-0103CPInterchangeable
interchangeable cross-reference
interchangeable
281712-0001 ITEM 62CPInterchangeable
interchangeable cross-reference
interchangeable
MIL-R-83248/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AMS7276 BROWN ONLY/AS3209-0?
AMS7276 BROWN ONLY/AS3209-0 is a AMS7276 BROWN ONLY/AS3209-0.
What parts can replace AMS7276 BROWN ONLY/AS3209-0?
There are 26 known substitutes for AMS7276 BROWN ONLY/AS3209-0: M83248/1-010, DF298851 FIND 7, 20346-400 FIND and 23 more. Substitute compatibility should be verified for your specific system.
Is AMS7276 BROWN ONLY/AS3209-0 still available?
AMS7276 BROWN ONLY/AS3209-0 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