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Technical Data Sheet
PartsTable / O-RING / MS90064-6
MS90064-6 ✓ 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 SILICONE CLASS Q, temp_rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN, cross-sectional_height: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-543-6478, 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
MS90064-6
NSN: 5331-00-543-6478
FSC: 5331 — O-RING
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
temp_rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
hardness_rating60.0 SHORE DUROMETER A NOMINAL
center_hole_diameter1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN
cross-sectional_height0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
NSN5331-00-543-6478
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS90064-6 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 BUTADIENE-ACRYLONITRILE CLASS NBR
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
308B308FInterchangeable
interchangeable cross-reference
interchangeable
3-9306Interchangeable
interchangeable cross-reference
interchangeable
308B5Interchangeable
interchangeable cross-reference
interchangeable
3085Interchangeable
interchangeable cross-reference
interchangeable
HS50726K2915Interchangeable
interchangeable cross-reference
interchangeable
308-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS90064-6?
MS90064-6 is a O-RING.
What parts can replace MS90064-6?
There are 24 known substitutes for MS90064-6: 308B308F, 3-9306, 308B5 and 21 more. Substitute compatibility should be verified for your specific system.
Is MS90064-6 still available?
MS90064-6 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