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Technical Data Sheet
PartsTable / O-RING / 388223
388223 ✓ 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 material: RUBBER FLUOROCARBON CLASS FPM, center_hole_diameter: 2.489 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-864-7249, 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
388223
NSN: 5331-00-864-7249
FSC: 5331 — O-RING
CAGE: 00088 — ROYAL OAK GAGE, INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
center_hole_diameter2.489 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
NSN5331-00-864-7249
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 388223 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
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CENTER HOLE DIAMETER: 2.489 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.070 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER FLUOROCARBON CLASS FPM
CENTER HOLE DIAMETER2.489 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
J221P037Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-037Interchangeable
interchangeable cross-reference
interchangeable
592005130110Interchangeable
interchangeable cross-reference
interchangeable
MS9388-037Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 388223?
388223 is a O-RING.
What parts can replace 388223?
There are 4 known substitutes for 388223: J221P037, M83248/1-037, 592005130110 and 1 more. Substitute compatibility should be verified for your specific system.
Is 388223 still available?
388223 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