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Technical Data Sheet
PartsTable / O-RING / M83248/1-135
M83248/1-135 ✓ 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 M83248/1-135 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-005-0508, 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
M83248/1-135
NSN: 5331-01-005-0508
FSC: 5331 — O-RING
CAGE: A0126 — LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE (ITA)
SPECIFICATIONS
Part NumberM83248/1-135
NSN5331-01-005-0508
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83248/1-135 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
•
OUTSIDE DIAMETER: 2.108 INCHES MINIMUM AND 2.154 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.108 INCHES MINIMUM AND 2.154 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
443-3-1Interchangeable
interchangeable cross-reference
interchangeable
CATALAC 443-3-1Interchangeable
interchangeable cross-reference
interchangeable
MS9388-135Interchangeable
interchangeable cross-reference
interchangeable
SAE AS3209-135Interchangeable
interchangeable cross-reference
interchangeable
MS9388-135ESInterchangeable
interchangeable cross-reference
interchangeable
44331-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83248/1-135?
M83248/1-135 is a M83248/1-135.
What parts can replace M83248/1-135?
There are 24 known substitutes for M83248/1-135: 443-3-1, CATALAC 443-3-1, MS9388-135 and 21 more. Substitute compatibility should be verified for your specific system.
Is M83248/1-135 still available?
M83248/1-135 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