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Technical Data Sheet
PartsTable / O-RING / M83248-1-344
M83248-1-344 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL OVERALL, peripheral_diameter: 4.270 INCHES NOMINAL IN, center_hole_diameter: 3.822 INCHES MINIMUM AND 3.878 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-005-4061, 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
M83248-1-344
NSN: 5331-01-005-4061
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 OVERALL
hardness_rating75.0 SHORE DUROMETER A NOMINAL OVERALL
peripheral_diameter4.270 INCHES NOMINAL IN
center_hole_diameter3.822 INCHES MINIMUM AND 3.878 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
NSN5331-01-005-4061
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83248-1-344 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MS75913-344Interchangeable
interchangeable cross-reference
interchangeable
2-344 N602-70Interchangeable
interchangeable cross-reference
interchangeable
PRP568-344-457-60Interchangeable
interchangeable cross-reference
interchangeable
803-5959307-X-013Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-344Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-83248/1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83248-1-344?
M83248-1-344 is a PACKING,PREFORMED.
What parts can replace M83248-1-344?
There are 14 known substitutes for M83248-1-344: MS75913-344, 2-344 N602-70, PRP568-344-457-60 and 11 more. Substitute compatibility should be verified for your specific system.
Is M83248-1-344 still available?
M83248-1-344 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