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Technical Data Sheet
PartsTable / O-RING / M83461/1-346
M83461/1-346 ✓ 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 M83461/1-346 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-160-4327, 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
M83461/1-346
NSN: 5331-01-160-4327
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberM83461/1-346
NSN5331-01-160-4327
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83461/1-346 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 DOCUMENT AND CLASSIFICATION: MIL-P-83461 MIL SPEC SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 4.072 INCHES MINIMUM AND 4.128 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 4.520 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-83461 MIL SPEC SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER4.072 INCHES MINIMUM AND 4.128 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER4.520 INCHES NOMINAL IN
ELONGATION PERCENTAGE125 MAXIMUM
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
AD571-24Y99FN6Interchangeable
interchangeable cross-reference
interchangeable
A-346SR837-75Interchangeable
interchangeable cross-reference
interchangeable
PRP346-7377Interchangeable
interchangeable cross-reference
interchangeable
593-514-1862802PC15VIT0NInterchangeable
interchangeable cross-reference
interchangeable
597-518-1884492REVAPC7Interchangeable
interchangeable cross-reference
interchangeable
2-346 V747-75Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83461/1-346?
M83461/1-346 is a M83461/1-346.
What parts can replace M83461/1-346?
There are 14 known substitutes for M83461/1-346: AD571-24Y99FN6, A-346SR837-75, PRP346-7377 and 11 more. Substitute compatibility should be verified for your specific system.
Is M83461/1-346 still available?
M83461/1-346 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