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Technical Data Sheet
PartsTable / O-RING / 2300-446 PC 48
2300-446 PC 48 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN, center_hole_diameter: 3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-618-1603, 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
2300-446 PC 48
NSN: 5331-00-618-1603
FSC: 5331 — O-RING
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN
center_hole_diameter3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-618-1603
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2300-446 PC 48 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: 3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
311606Interchangeable
interchangeable cross-reference
interchangeable
279323R91Interchangeable
interchangeable cross-reference
interchangeable
6018Interchangeable
interchangeable cross-reference
interchangeable
2-240 V884-75Interchangeable
interchangeable cross-reference
interchangeable
PRP568-240-9009-75Interchangeable
interchangeable cross-reference
interchangeable
S9026L240Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2300-446 PC 48?
2300-446 PC 48 is a O-RING.
What parts can replace 2300-446 PC 48?
There are 28 known substitutes for 2300-446 PC 48: 311606, 279323R91, 6018 and 25 more. Substitute compatibility should be verified for your specific system.
Is 2300-446 PC 48 still available?
2300-446 PC 48 is currently cancelled.
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Last verified: July 2026