PartsTable
Technical Data Sheet
PartsTable / O-RING / M83248/2-903
M83248/2-903 ✓ 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 M83248/2-903 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 5331-01-011-4057, 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
M83248/2-903
NSN: 5331-01-011-4057
FSC: 5331 — O-RING
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM83248/2-903
NSN5331-01-011-4057
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83248/2-903 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
•
CROSS-SECTIONAL HEIGHT: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 0.294 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
OUTSIDE DIAMETER: 0.418 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER0.294 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER FLUOROCARBON CLASS FPM
OUTSIDE DIAMETER0.418 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
390-3Interchangeable
interchangeable cross-reference
interchangeable
21490Interchangeable
interchangeable cross-reference
interchangeable
7712 EXPIG WHITEInterchangeable
interchangeable cross-reference
interchangeable
SCOTCHCAL 3903Interchangeable
interchangeable cross-reference
interchangeable
99026-59Interchangeable
interchangeable cross-reference
interchangeable
AS3581-903Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy M83248/2-903?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is M83248/2-903?
M83248/2-903 is a M83248/2-903.
What parts can replace M83248/2-903?
There are 16 known substitutes for M83248/2-903: 390-3, 21490, 7712 EXPIG WHITE and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83248/2-903?
M83248/2-903 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-011-4057. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — M83248/2-903

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026