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Technical Data Sheet
PartsTable / O-RING / 1820-52CD70
1820-52CD70 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 0.379 INCHES NOMINAL IN, center_hole_diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN, cross-sectional_height: 0.062 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-649-9129, 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
1820-52CD70
NSN: 5331-00-649-9129
FSC: 5331 — O-RING
CAGE: 81168 — STROHMEYER, JULIE A. DBA JULIE A. STROHMEYER (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter0.379 INCHES NOMINAL IN
center_hole_diameter0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
cross-sectional_height0.062 INCHES NOMINAL IN
NSN5331-00-649-9129
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1820-52CD70 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
•
OUTSIDE DIAMETER: 0.379 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.379 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
V3D10254 ITEM 40CPInterchangeable
interchangeable cross-reference
interchangeable
B180-010Interchangeable
interchangeable cross-reference
interchangeable
0X58-010-15CPInterchangeable
interchangeable cross-reference
interchangeable
740621Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-3533Interchangeable
interchangeable cross-reference
interchangeable
AS 568-010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1820-52CD70?
1820-52CD70 is a O-RING.
What parts can replace 1820-52CD70?
There are 26 known substitutes for 1820-52CD70: V3D10254 ITEM 40CP, B180-010, 0X58-010-15CP and 23 more. Substitute compatibility should be verified for your specific system.
Is 1820-52CD70 still available?
1820-52CD70 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026