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Technical Data Sheet
PartsTable / COMPONENT / A1805B80
A1805B80 ✓ 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 A1805B80 is a the manufacturer industrial component. Key specifications include material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT A, case_style: SQUARE, seal_width: 0.594 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN, housing_bore_diameter: 3.876 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 2.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-1652, 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
A1805B80
NSN: 5330-00-291-1652
FSC: 5330
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT A
case_styleSQUARE
seal_width0.594 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN
housing_bore_diameter3.876 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-291-1652
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A1805B80 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
•
SEAL WIDTH: 0.594 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN
•
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT A
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT DIAMETER: 2.750 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 3.876 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.594 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT A
CASE STYLESQUARE
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER2.750 INCHES NOMINAL IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT B
HOUSING BORE DIAMETER3.876 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
200447Interchangeable
interchangeable cross-reference
interchangeable
200447NInterchangeable
interchangeable cross-reference
interchangeable
1576503Interchangeable
interchangeable cross-reference
interchangeable
314160-2Interchangeable
interchangeable cross-reference
interchangeable
10-3212-4Interchangeable
interchangeable cross-reference
interchangeable
10-3212-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1805B80?
A1805B80 is a A1805B80.
What parts can replace A1805B80?
There are 17 known substitutes for A1805B80: 200447, 200447N, 1576503 and 14 more. Substitute compatibility should be verified for your specific system.
Is A1805B80 still available?
A1805B80 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