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PartsTable / COMPONENT / MS90133-4
MS90133-4 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, special_features: CONSTRUCTION: SOLID;CROSS-SECTIONAL WIDTH: 0.099 IN. NOM.

IN, aperture_diameter: 0.437 INCHES NOMINAL IN, fabrication_method: SOLID, cross-sectional_height: 0.100 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-618-3376, 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
MS90133-4
NSN: 5330-00-618-3376
FSC: 5330
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
special_featuresCONSTRUCTION: SOLID;CROSS-SECTIONAL WIDTH: 0.099 IN. NOM. IN
aperture_diameter0.437 INCHES NOMINAL IN
fabrication_methodSOLID
cross-sectional_height0.100 INCHES NOMINAL IN
NSN5330-00-618-3376
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS90133-4 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
•
APERTURE DIAMETER: 0.437 INCHES NOMINAL IN
•
FABRICATION METHOD: SOLID
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER0.437 INCHES NOMINAL IN
FABRICATION METHODSOLID
SPECIAL FEATURESCONSTRUCTION: SOLID;CROSS-SECTIONAL WIDTH: 0.099 IN. NOM. IN
CROSS-SECTIONAL HEIGHT0.100 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
7478626Interchangeable
interchangeable cross-reference
interchangeable
78F290Interchangeable
interchangeable cross-reference
interchangeable
4610015044Interchangeable
interchangeable cross-reference
interchangeable
82-96Interchangeable
interchangeable cross-reference
interchangeable
UG21CInterchangeable
interchangeable cross-reference
interchangeable
MILC71Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS90133-4?
MS90133-4 is a GASKET.
What parts can replace MS90133-4?
There are 24 known substitutes for MS90133-4: 7478626, 78F290, 4610015044 and 21 more. Substitute compatibility should be verified for your specific system.
Is MS90133-4 still available?
MS90133-4 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