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Technical Data Sheet
PartsTable / O-RING / MIL-R-83248 TY 1, CL 2
MIL-R-83248 TY 1, CL 2 ✓ 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 MIL-R-83248 TY 1, CL 2 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 5331-01-411-9048, 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
MIL-R-83248 TY 1, CL 2
NSN: 5331-01-411-9048
FSC: 5331 — O-RING
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-R-83248 TY 1, CL 2
NSN5331-01-411-9048
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-R-83248 TY 1, CL 2 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 FLUOROCARBON CLASS FPM
•
HARDNESS RATING: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
•
CENTER HOLE DIAMETER: 0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248/2 MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONW/S: MOORED TRAINING SHIP; HX UNIQUE
MATERIALRUBBER FLUOROCARBON CLASS FPM
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
CENTER HOLE DIAMETER0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248/2 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
AS3581-212Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-83248/2-212Interchangeable
interchangeable cross-reference
interchangeable
NAS1594-212CPInterchangeable
interchangeable cross-reference
interchangeable
D84232 PIECE 53Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-212Interchangeable
interchangeable cross-reference
interchangeable
2-212-V884-75Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-R-83248 TY 1, CL 2?
MIL-R-83248 TY 1, CL 2 is a MIL-R-83248 TY 1, CL 2.
What parts can replace MIL-R-83248 TY 1, CL 2?
There are 14 known substitutes for MIL-R-83248 TY 1, CL 2: AS3581-212, MIL-R-83248/2-212, NAS1594-212CP and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-R-83248 TY 1, CL 2?
MIL-R-83248 TY 1, CL 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-411-9048. 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.
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Last verified: July 2026