PartsTable
Technical Data Sheet
MS3393-2 ✓ 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 SYNTHETIC, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN, center_hole_diameter: 0.232 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-127-7199, 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
MS3393-2
NSN: 5331-00-127-7199
FSC: 5331 — O-RING
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
center_hole_diameter0.232 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN
elongation_percentage331 MAXIMUM
cross-sectional_height0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
NSN5331-00-127-7199
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS3393-2 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
CROSS-SECTIONAL HEIGHT: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
MATERIAL: RUBBER SYNTHETIC
ELONGATION PERCENTAGE: 331 MAXIMUM
CENTER HOLE DIAMETER: 0.232 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
MATERIALRUBBER SYNTHETIC
ELONGATION PERCENTAGE331 MAXIMUM
CENTER HOLE DIAMETER0.232 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
AS568-902Interchangeable
interchangeable cross-reference
interchangeable
TR-RG30Interchangeable
interchangeable cross-reference
interchangeable
AS568-902AMS3304Interchangeable
interchangeable cross-reference
interchangeable
91103-37635Interchangeable
interchangeable cross-reference
interchangeable
A6689-139-222Interchangeable
interchangeable cross-reference
interchangeable
3-902 V0747Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS3393-2?
MS3393-2 is a O-RING.
What parts can replace MS3393-2?
There are 31 known substitutes for MS3393-2: AS568-902, TR-RG30, AS568-902AMS3304 and 28 more. Substitute compatibility should be verified for your specific system.
Is MS3393-2 still available?
MS3393-2 is currently cancelled.
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