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PartsTable / COMPONENT / A17566
A17566 ✓ 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 SPACER,RING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, inside_diameter: 1.198 INCHES NOMINAL IN, outside_diameter: 1.433 INCHES NOMINAL IN, overall_thickness: 0.042 INCHES NOMINAL IN, surface_treatment: PASSIVATE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-338-1826, 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
A17566
NSN: 5330-00-338-1826
FSC: 5330
CAGE: 61976 — UNITED SPECIALTIES CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
inside_diameter1.198 INCHES NOMINAL IN
outside_diameter1.433 INCHES NOMINAL IN
overall_thickness0.042 INCHES NOMINAL IN
surface_treatmentPASSIVATE
NSN5330-00-338-1826
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A17566 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 THICKNESS: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 9.531 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 9.025 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER9.531 INCHES NOMINAL IN
MATERIALCELLULOSE OVERALL
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER9.025 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
A17566Interchangeable
interchangeable cross-reference
interchangeable
1004261PC12Interchangeable
interchangeable cross-reference
interchangeable
8333361Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A17566?
A17566 is a SPACER,RING.
What parts can replace A17566?
There are 3 known substitutes for A17566: A17566, 1004261PC12, 8333361. Substitute compatibility should be verified for your specific system.
What is the NSN for A17566?
A17566 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-338-1826. 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