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Technical Data Sheet
PartsTable / O-RING / PRP256-7117
PRP256-7117 ✓ 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 160.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 5.969 INCHES MINIMUM AND 6.055 INCHES MAXIMUM IN, center_hole_diameter: 5.734 INCHES NOMINAL IN, elongation_percentage: 164 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-105-8886, 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
PRP256-7117
NSN: 5331-01-105-8886
FSC: 5331 — O-RING
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter5.969 INCHES MINIMUM AND 6.055 INCHES MAXIMUM IN
center_hole_diameter5.734 INCHES NOMINAL IN
elongation_percentage164 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
material_document_and_classificationMIL-P-5516 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-01-105-8886
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PRP256-7117 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
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-5516 MIL SPEC SINGLE MATERIAL RESPONSE
•
ELONGATION PERCENTAGE: 164 MAXIMUM
•
CENTER HOLE DIAMETER: 5.734 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 5.969 INCHES MINIMUM AND 6.055 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5516 MIL SPEC SINGLE MATERIAL RESPONSE
ELONGATION PERCENTAGE164 MAXIMUM
CENTER HOLE DIAMETER5.734 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OUTSIDE DIAMETER5.969 INCHES MINIMUM AND 6.055 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
AS568-256Interchangeable
interchangeable cross-reference
interchangeable
ARP568-256MILP5516-90DURMInterchangeable
interchangeable cross-reference
interchangeable
AMS-5516Interchangeable
interchangeable cross-reference
interchangeable
MS28775-256Interchangeable
interchangeable cross-reference
interchangeable
7377-256Interchangeable
interchangeable cross-reference
interchangeable
AS28775-256Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PRP256-7117?
PRP256-7117 is a O-RING.
What parts can replace PRP256-7117?
There are 13 known substitutes for PRP256-7117: AS568-256, ARP568-256MILP5516-90DURM, AMS-5516 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PRP256-7117?
PRP256-7117 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-105-8886. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026