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PRP568-237-1133-60 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

PRP568-237-1133-60: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ OVERALL, temp_rating: 400.0 FAHRENHEIT DEGF, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, operating_medium: AIR OR FUEL, AVIATION OR LUBRICANT, PETROLEUM BASE, center_hole_diameter: 3.290 INCHES MINIMUM AND 3.354 INCHES MAXIMUM IN, cross-sectional_height: 0.132 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-855-8422, 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
PRP568-237-1133-60
NSN: 5330-00-855-8422
NIINs: 008558422, 009177732
FSC: 5330 — Packing and Gasket Materials
CAGE: 77308 — PARCO, LLC (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ OVERALL
temp_rating400.0 FAHRENHEIT DEGF
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
operating_mediumAIR OR FUEL, AVIATION OR LUBRICANT, PETROLEUM BASE
center_hole_diameter3.290 INCHES MINIMUM AND 3.354 INCHES MAXIMUM IN
cross-sectional_height0.132 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
functional_descriptionSTATIC SEAL APPL
cross-sectional_shape_styleO-RING
specification/standard_data81755-C007 MANUFACTURERS SPECIFICATION CONTROL
reference_data_and_literatureASTM D2000 2FK608A19E36F19Z1
material_document_and_classificationMIL-R-25988,CLASS 1,GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-855-8422
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PRP568-237-1133-60 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
•
TEMP RATING: -85.0 CELSIUS AND 500.0 CELSIUS DEGC
•
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CENTER HOLE DIAMETER: 3.359 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING-85.0 CELSIUS AND 500.0 CELSIUS DEGC
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
CENTER HOLE DIAMETER3.359 INCHES NOMINAL IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
3541-31-237Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ARP568-237Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PRP568-237-1133-60?
PRP568-237-1133-60 is a PACKING,PREFORMED.
What parts can replace PRP568-237-1133-60?
There are 2 known substitutes for PRP568-237-1133-60: 3541-31-237, ARP568-237. Substitute compatibility should be verified for your specific system.
What is the NSN for PRP568-237-1133-60?
PRP568-237-1133-60 is cataloged in the U.S. Government catalog under NSN 5330-00-855-8422. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.