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Technical Data Sheet
PartsTable / COMPONENT / 1805-B-340
1805-B-340 ✓ 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 CASE, case_style: RECESSED, seal_width: 0.625 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 4.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-086-2206, 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
1805-B-340
NSN: 5330-00-086-2206
FSC: 5330
CAGE: 97286 — ROCKWELL INTERNATIONAL CORP INDUSTRIAL PRODUCTS GROUP (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleRECESSED
seal_width0.625 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter4.875 INCHES NOMINAL IN
NSN5330-00-086-2206
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1805-B-340 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
•
ACCOMMODATED SHAFT DIAMETER: 4.875 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
•
SEAL WIDTH: 0.625 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER4.875 INCHES NOMINAL IN
CASE STYLERECESSED
SEAL WIDTH0.625 INCHES NOMINAL IN
MATERIALSTEEL CASE
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
20047Interchangeable
interchangeable cross-reference
interchangeable
110 47/64Interchangeable
interchangeable cross-reference
interchangeable
53147Interchangeable
interchangeable cross-reference
interchangeable
GC47000-4Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-26/3Interchangeable
interchangeable cross-reference
interchangeable
B2616Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1805-B-340?
1805-B-340 is a SEAL,PLAIN ENCASED.
What parts can replace 1805-B-340?
There are 24 known substitutes for 1805-B-340: 20047, 110 47/64, 53147 and 21 more. Substitute compatibility should be verified for your specific system.
Is 1805-B-340 still available?
1805-B-340 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