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Technical Data Sheet
PRP-568-258 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL, outside_diameter: 6.250 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 6.000 INCHES NOMINAL IN, cross-sectional_thickness: 0.125 INCHES NOMINAL IN, cross-sectional_shape_style: OVAL RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-947-2626, 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
PRP-568-258
NSN: 5330-00-947-2626
FSC: 5330
CAGE: 77308 — PARCO, LLC (USA)
SPECIFICATIONS
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
outside_diameter6.250 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter6.000 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleOVAL RING
NSN5330-00-947-2626
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PRP-568-258 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
STYLE DESIGNATOR: CIRCULAR
OUTSIDE DIAMETER: 6.250 INCHES NOMINAL IN
MATERIAL: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: OVAL RING
APERTURE DIAMETER: 6.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER6.250 INCHES NOMINAL IN
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEOVAL RING
APERTURE DIAMETER6.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
52033Interchangeable
interchangeable cross-reference
interchangeable
181 4X5/16X1Interchangeable
interchangeable cross-reference
interchangeable
600 4X5/16X1Interchangeable
interchangeable cross-reference
interchangeable
45027Interchangeable
interchangeable cross-reference
interchangeable
11003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PRP-568-258?
PRP-568-258 is a GASKET.
What parts can replace PRP-568-258?
There are 5 known substitutes for PRP-568-258: 52033, 181 4X5/16X1, 600 4X5/16X1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PRP-568-258?
PRP-568-258 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-947-2626. This indicates validated use in U.S. government and defense supply chains.
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