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Technical Data Sheet
PartsTable / O-RING / OR36,09X3,53 2-221 V747-75
OR36,09X3,53 2-221 V747-75 ✓ 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 OR36,09X3,53 2-221 V747-75 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-166-8412, 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
OR36,09X3,53 2-221 V747-75
NSN: 5331-00-166-8412
FSC: 5331 — O-RING
CAGE: C0308 — PARKER HANNIFIN GMBH O-RING DIVISION (DEU)
SPECIFICATIONS
Part NumberOR36,09X3,53 2-221 V747-75
NSN5331-00-166-8412
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: OR36,09X3,53 2-221 V747-75 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
•
OUTSIDE DIAMETER: 1.679 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 1.409 INCHES MINIMUM AND 1.433 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.679 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER1.409 INCHES MINIMUM AND 1.433 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
MATERIALRUBBER FLUOROCARBON CLASS FPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5331PL1282818Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-83248/2Interchangeable
interchangeable cross-reference
interchangeable
M83248/2-026Interchangeable
interchangeable cross-reference
interchangeable
AMS7529Interchangeable
interchangeable cross-reference
interchangeable
AS3581-026CPInterchangeable
interchangeable cross-reference
interchangeable
V3997PC19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is OR36,09X3,53 2-221 V747-75?
OR36,09X3,53 2-221 V747-75 is a OR36,09X3,53 2-221 V747-75.
What parts can replace OR36,09X3,53 2-221 V747-75?
There are 17 known substitutes for OR36,09X3,53 2-221 V747-75: 5331PL1282818, MIL-R-83248/2, M83248/2-026 and 14 more. Substitute compatibility should be verified for your specific system.
Is OR36,09X3,53 2-221 V747-75 still available?
OR36,09X3,53 2-221 V747-75 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