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Technical Data Sheet

AS568-342 3CH720A25B14B34EO16E36 — Technical Data Sheet

✓ 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 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
AS568-342 3CH720A25B14B34EO16E36
NSN: 5331-01-181-4119
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (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: AS568-342 3CH720A25B14B34EO16E36 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
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 4
44798InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
46790InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PRP342-8307InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
342-8307InterchangeableGOVERNMENT REGISTRY
O-Ring
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS568-342 3CH720A25B14B34EO16E36?
AS568-342 3CH720A25B14B34EO16E36 is a O-RING.
What parts can replace AS568-342 3CH720A25B14B34EO16E36?
There are 4 known substitutes for AS568-342 3CH720A25B14B34EO16E36: 44798, 46790, PRP342-8307 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-342 3CH720A25B14B34EO16E36?
AS568-342 3CH720A25B14B34EO16E36 is cataloged in the Federal Logistics Information System under NSN 5331-01-181-4119. This indicates validated use in U.S. government and defense supply chains.
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