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Technical Data Sheet

M83248/2-268 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M83248/2-268: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 8.434 INCHES MINIMUM AND 8.534 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, specification/standard_data: 81349-MIL-R-83248/C, TYPE 1, CLASS 2/CANCELLED/ GOVERNMENT SPECIFICATION. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-509-4733, 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
M83248/2-268
NSN: 5331-01-509-4733
FSC: 5331 — O-ring
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL
center_hole_diameter8.434 INCHES MINIMUM AND 8.534 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
specification/standard_data81349-MIL-R-83248/C, TYPE 1, CLASS 2/CANCELLED/ GOVERNMENT SPECIFICATION
material_document_and_classificationSAEAMS7259 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-01-509-4733
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83248/2-268 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
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAEAMS7259 ASSN STD SINGLE MATERIAL RESPONSE
•
SPECIFICATION/STANDARD DATA: 81349-MIL-R-83248/C, TYPE 1, CLASS 2/CANCELLED/ GOVERNMENT SPECIFICATION
•
CENTER HOLE DIAMETER: 8.434 INCHES MINIMUM AND 8.534 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAEAMS7259 ASSN STD SINGLE MATERIAL RESPONSE
SPECIFICATION/STANDARD DATA81349-MIL-R-83248/C, TYPE 1, CLASS 2/CANCELLED/ GOVERNMENT SPECIFICATION
CENTER HOLE DIAMETER8.434 INCHES MINIMUM AND 8.534 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 2
SAE-AS3581Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AS3581-268Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M83248/2-268?
M83248/2-268 is a O-RING.
What parts can replace M83248/2-268?
There are 2 known substitutes for M83248/2-268: SAE-AS3581, AS3581-268. Substitute compatibility should be verified for your specific system.
What is the NSN for M83248/2-268?
M83248/2-268 is cataloged in the U.S. Government catalog under NSN 5331-01-509-4733. This indicates validated use in U.S. government and defense supply chains.
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