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Technical Data Sheet
PartsTable / O-RING / 2-222 N304-75
2-222 N304-75 ✓ 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, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, center_hole_diameter: 1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, criticality_code_justification: ADYT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-297-9990, 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
2-222 N304-75
NSN: 5331-00-297-9990
FSC: 5331 — O-RING
CAGE: C0308 — PARKER HANNIFIN GMBH O-RING DIVISION (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
center_hole_diameter1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
elongation_percentage160 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
criticality_code_justificationADYT
NSN5331-00-297-9990
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-222 N304-75 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
•
OUTSIDE DIAMETER: 1.739 INCHES MINIMUM AND 1.785 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.739 INCHES MINIMUM AND 1.785 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
A28642Interchangeable
interchangeable cross-reference
interchangeable
ARP568-222Interchangeable
interchangeable cross-reference
interchangeable
ARP568-222MILG23652TYPE2Interchangeable
interchangeable cross-reference
interchangeable
000222EEInterchangeable
interchangeable cross-reference
interchangeable
1460-0022Interchangeable
interchangeable cross-reference
interchangeable
146-27Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-222 N304-75?
2-222 N304-75 is a O-RING.
What parts can replace 2-222 N304-75?
There are 30 known substitutes for 2-222 N304-75: A28642, ARP568-222, ARP568-222MILG23652TYPE2 and 27 more. Substitute compatibility should be verified for your specific system.
Is 2-222 N304-75 still available?
2-222 N304-75 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