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Technical Data Sheet
PartsTable / O-RING / 16606A63-205
16606A63-205 ✓ 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, cross-sectional_height: 0.062 INCHES NOMINAL 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 5331-01-056-2104, 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
16606A63-205
NSN: 5331-01-056-2104
FSC: 5331 — O-RING
CAGE: 73760 — ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S (USA)
SPECIFICATIONS
materialRUBBER
cross-sectional_height0.062 INCHES NOMINAL IN
NSN5331-01-056-2104
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16606A63-205 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
•
MATERIAL: RUBBER
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
163430Interchangeable
interchangeable cross-reference
interchangeable
16606Interchangeable
interchangeable cross-reference
interchangeable
373116Interchangeable
interchangeable cross-reference
interchangeable
6401018Interchangeable
interchangeable cross-reference
interchangeable
D904 ITEM110Interchangeable
interchangeable cross-reference
interchangeable
1160-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16606A63-205?
16606A63-205 is a O-RING.
What parts can replace 16606A63-205?
There are 11 known substitutes for 16606A63-205: 163430, 16606, 373116 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 16606A63-205?
16606A63-205 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-056-2104. 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