PartsTable
Technical Data Sheet
PartsTable / O-RING / 856823
856823 ✓ 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 RING,RETAINING is a the manufacturer industrial component. Key specifications include special_features: MERCURY MARINER PARTS GEAR HOUSING PROPSHAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-634-9394, 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
856823
NSN: 5331-00-634-9394
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
special_featuresMERCURY MARINER PARTS GEAR HOUSING PROPSHAFT
NSN5331-00-634-9394
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 856823 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.070 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.051 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.051 INCHES NOMINAL IN
ELONGATION PERCENTAGE160 MAXIMUM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
230079017Interchangeable
interchangeable cross-reference
interchangeable
199975Interchangeable
interchangeable cross-reference
interchangeable
080-04273-39Interchangeable
interchangeable cross-reference
interchangeable
20427-01Interchangeable
interchangeable cross-reference
interchangeable
20427-03Interchangeable
interchangeable cross-reference
interchangeable
20427-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 856823?
856823 is a RING,RETAINING.
What parts can replace 856823?
There are 18 known substitutes for 856823: 230079017, 199975, 080-04273-39 and 15 more. Substitute compatibility should be verified for your specific system.
Is 856823 still available?
856823 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