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Technical Data Sheet
PartsTable / O-RING / GR2FK608A19E36F19Z1
GR2FK608A19E36F19Z1 ✓ 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 FLUOROSILICONE CLASS FQ, center_hole_diameter: 3.956 INCHES MINIMUM AND 4.012 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 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 5331-01-204-8585, 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
GR2FK608A19E36F19Z1
NSN: 5331-01-204-8585
FSC: 5331 — O-RING
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
center_hole_diameter3.956 INCHES MINIMUM AND 4.012 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-204-8585
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GR2FK608A19E36F19Z1 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.956 INCHES MINIMUM AND 4.012 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.956 INCHES MINIMUM AND 4.012 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
AS568-242Interchangeable
interchangeable cross-reference
interchangeable
11588688Interchangeable
interchangeable cross-reference
interchangeable
718768-23Interchangeable
interchangeable cross-reference
interchangeable
2-242N552-90Interchangeable
interchangeable cross-reference
interchangeable
N0702 2-242Interchangeable
interchangeable cross-reference
interchangeable
ASTM D2000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GR2FK608A19E36F19Z1?
GR2FK608A19E36F19Z1 is a O-RING.
What parts can replace GR2FK608A19E36F19Z1?
There are 24 known substitutes for GR2FK608A19E36F19Z1: AS568-242, 11588688, 718768-23 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GR2FK608A19E36F19Z1?
GR2FK608A19E36F19Z1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-204-8585. 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