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PartsTable / COMPONENT / MS35803-325
MS35803-325 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-143-7114, 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
MS35803-325
NSN: 5330-00-143-7114
FSC: 5330
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMS35803-325
NSN5330-00-143-7114
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS35803-325 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMATT: LEATHER CATTLE OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL;CENTER HOLE SHAPE STYLE: ROUND;HOLE DIAMETER: 0.375 INCHES MIN. AND 0.389 IN. MAX.;PERIPHERAL SHAPE STYLE: ROUND;OVERALL DIAMETER: 0.555 IN. MIN. AND 0.569 IN. MAX.;CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR;THICKNESS: 0.052 IN. MIN. AND 0.072 IN. MAX. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
AN6246PC23Interchangeable
interchangeable cross-reference
interchangeable
1283-218Interchangeable
interchangeable cross-reference
interchangeable
P793Interchangeable
interchangeable cross-reference
interchangeable
22-14Interchangeable
interchangeable cross-reference
interchangeable
2216LSInterchangeable
interchangeable cross-reference
interchangeable
298S42Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35803-325?
MS35803-325 is a GASKET.
What parts can replace MS35803-325?
There are 31 known substitutes for MS35803-325: AN6246PC23, 1283-218, P793 and 28 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35803-325?
MS35803-325 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-143-7114. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026