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CW-686ATB — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CW-686ATB: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, center_hole_diameter: 50.250 INCHES MINIMUM AND 50.750 INCHES MAXIMUM IN, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-353-2068, 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
CW-686ATB
NSN: 5331-01-353-2068
FSC: 5331 — O-ring
CAGE: 65427 — DC FABRICATORS INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
center_hole_diameter50.250 INCHES MINIMUM AND 50.750 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN5331-01-353-2068
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CW-686ATB 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: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 50.250 INCHES MINIMUM AND 50.750 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
CENTER HOLE DIAMETER50.250 INCHES MINIMUM AND 50.750 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 3
686ATBSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CW-2300CW PIECE 621Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CW-686ATA SYMBOL 686ATBReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CW-686ATB?
CW-686ATB is a O-RING.
What parts can replace CW-686ATB?
There are 3 known substitutes for CW-686ATB: 686ATB, CW-2300CW PIECE 621, CW-686ATA SYMBOL 686ATB. Substitute compatibility should be verified for your specific system.
What is the NSN for CW-686ATB?
CW-686ATB is cataloged in the U.S. Government catalog under NSN 5331-01-353-2068. This indicates validated use in U.S. government and defense supply chains.
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