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Technical Data Sheet
PartsTable / O-RING / PRP342-8307
PRP342-8307 ✓ 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 AND RUBBER, outside_diameter: 4.020 INCHES NOMINAL IN, center_hole_diameter: 3.585 INCHES MINIMUM AND 3.615 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-181-4119, 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
PRP342-8307
NSN: 5331-01-181-4119
FSC: 5331 — O-RING
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND RUBBER
outside_diameter4.020 INCHES NOMINAL IN
center_hole_diameter3.585 INCHES MINIMUM AND 3.615 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-01-181-4119
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PRP342-8307 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
•
CENTER HOLE DIAMETER: 3.585 INCHES MINIMUM AND 3.615 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND RUBBER
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.020 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER3.585 INCHES MINIMUM AND 3.615 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND RUBBER
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OUTSIDE DIAMETER4.020 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
44798Interchangeable
interchangeable cross-reference
interchangeable
46790Interchangeable
interchangeable cross-reference
interchangeable
AS568-342 3CH720A25B14B34EO16E36Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PRP342-8307?
PRP342-8307 is a O-RING.
What parts can replace PRP342-8307?
There are 3 known substitutes for PRP342-8307: 44798, 46790, AS568-342 3CH720A25B14B34EO16E36. Substitute compatibility should be verified for your specific system.
What is the NSN for PRP342-8307?
PRP342-8307 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-181-4119. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026