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228-8309 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

228-8309: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 56.2 MILLIMETERS MINIMUM AND 57.3 MILLIMETERS MAXIMUM MM, cross-sectional_height: 3.4 MILLIMETERS MINIMUM AND 3.6 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-458-9646, 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
228-8309
NSN: 5331-01-458-9646
FSC: 5331 — O-ring
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter56.2 MILLIMETERS MINIMUM AND 57.3 MILLIMETERS MAXIMUM MM
cross-sectional_height3.4 MILLIMETERS MINIMUM AND 3.6 MILLIMETERS MAXIMUM MM
NSN5331-01-458-9646
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 228-8309 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: 3.4 MILLIMETERS MINIMUM AND 3.6 MILLIMETERS MAXIMUM MM
•
CENTER HOLE DIAMETER: 56.2 MILLIMETERS MINIMUM AND 57.3 MILLIMETERS MAXIMUM MM
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT3.4 MILLIMETERS MINIMUM AND 3.6 MILLIMETERS MAXIMUM MM
CENTER HOLE DIAMETER56.2 MILLIMETERS MINIMUM AND 57.3 MILLIMETERS MAXIMUM MM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 1
ORAR00228-N9038Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 228-8309?
228-8309 is a O-RING.
What parts can replace 228-8309?
There is 1 known substitute for 228-8309: ORAR00228-N9038. Substitute compatibility should be verified for your specific system.
What is the NSN for 228-8309?
228-8309 is cataloged in the U.S. Government catalog under NSN 5331-01-458-9646. This indicates validated use in U.S. government and defense supply chains.
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