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Technical Data Sheet
PartsTable / O-RING / MIL-R-83248/2
MIL-R-83248/2 ✓ 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-83248/2 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-166-1090, 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-83248/2
NSN: 5331-00-166-1090
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-83248/2
NSN5331-00-166-1090
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-R-83248/2 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
•
CENTER HOLE DIAMETER: 0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.066 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.066 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER FLUOROCARBON CLASS FPM
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4400596-0210Interchangeable
interchangeable cross-reference
interchangeable
280977PC62Interchangeable
Same NIIN cross-reference
interchangeable
A6689.021.212Interchangeable
Same NIIN cross-reference
interchangeable
5331PL1334753Interchangeable
Same NIIN cross-reference
interchangeable
PLC-11440 ITEM 7Interchangeable
Same NIIN cross-reference
interchangeable
20193PC6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-R-83248/2?
MIL-R-83248/2 is a MIL-R-83248/2.
What parts can replace MIL-R-83248/2?
There are 9 known substitutes for MIL-R-83248/2: 4400596-0210, 280977PC62, A6689.021.212 and 6 more. Substitute compatibility should be verified for your specific system.
Is MIL-R-83248/2 still available?
MIL-R-83248/2 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