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Technical Data Sheet
PartsTable / O-RING / 561A220
561A220 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-543-3041, 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
561A220
NSN: 5331-00-543-3041
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
NSN5331-00-543-3041
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 561A220 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
3401849-9Interchangeable
interchangeable cross-reference
interchangeable
560-105Interchangeable
interchangeable cross-reference
interchangeable
PRP568-220MILR2 5897Interchangeable
interchangeable cross-reference
interchangeable
ARP568-220MILR2 5897TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
220-7507Interchangeable
interchangeable cross-reference
interchangeable
6965817Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 561A220?
561A220 is a PACKING,PREFORMED.
What parts can replace 561A220?
There are 30 known substitutes for 561A220: 3401849-9, 560-105, PRP568-220MILR2 5897 and 27 more. Substitute compatibility should be verified for your specific system.
Is 561A220 still available?
561A220 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026