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PartsTable / COMPONENT / A1805N560
A1805N560 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1020 CASE, case_style: SHOULDERED, seal_width: 1.250 INCHES NOMINAL IN, attachment_method: ROUND HOLE, housing_bore_diameter: 5.549 INCHES MINIMUM AND 5.553 INCHES MAXIMUM IN, sealing_element_style: ANGULAR-OPPOSED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-946-0103, 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
A1805N560
NSN: 5330-00-946-0103
FSC: 5330
CAGE: 3D6E9 — MERITOR INDUSTRIAL PRODUCTS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1020 CASE
case_styleSHOULDERED
seal_width1.250 INCHES NOMINAL IN
attachment_methodROUND HOLE
housing_bore_diameter5.549 INCHES MINIMUM AND 5.553 INCHES MAXIMUM IN
sealing_element_styleANGULAR-OPPOSED
attachment_hole_diameter0.344 INCHES NOMINAL IN
accommodated_shaft_diameter2.500 INCHES NOMINAL IN
attachment_feature_quantity6
attachment_feature_circle_diameter4.375 INCHES NOMINAL SINGLE CIRCLE IN
NSN5330-00-946-0103
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A1805N560 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
•
ATTACHMENT METHOD: ROUND HOLE
•
ACCOMMODATED SHAFT DIAMETER: 2.500 INCHES NOMINAL IN
•
SEAL WIDTH: 1.250 INCHES NOMINAL IN
•
ATTACHMENT HOLE DIAMETER: 0.344 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 5.549 INCHES MINIMUM AND 5.553 INCHES MAXIMUM IN
•
CASE STYLE: SHOULDERED
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1020 CASE
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
TECHNICAL CHARACTERISTICS (FLIS)
ATTACHMENT METHODROUND HOLE
ACCOMMODATED SHAFT DIAMETER2.500 INCHES NOMINAL IN
SEAL WIDTH1.250 INCHES NOMINAL IN
ATTACHMENT HOLE DIAMETER0.344 INCHES NOMINAL IN
HOUSING BORE DIAMETER5.549 INCHES MINIMUM AND 5.553 INCHES MAXIMUM IN
CASE STYLESHOULDERED
MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1020 CASE
SEALING ELEMENT STYLEANGULAR-OPPOSED
ATTACHMENT FEATURE QUANTITY6
ATTACHMENT FEATURE CIRCLE DIAMETER4.375 INCHES NOMINAL SINGLE CIRCLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
6CRESInterchangeable
interchangeable cross-reference
interchangeable
RR-W-410-25Interchangeable
interchangeable cross-reference
interchangeable
SIZE6Interchangeable
interchangeable cross-reference
interchangeable
15177Interchangeable
interchangeable cross-reference
interchangeable
2K3631Interchangeable
interchangeable cross-reference
interchangeable
7890072-208Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1805N560?
A1805N560 is a SEAL,PLAIN ENCASED.
What parts can replace A1805N560?
There are 12 known substitutes for A1805N560: 6CRES, RR-W-410-25, SIZE6 and 9 more. Substitute compatibility should be verified for your specific system.
Is A1805N560 still available?
A1805N560 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