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Technical Data Sheet
PartsTable / O-RING / RA12872-19
RA12872-19 ✓ 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 SILICONE CLASS Q, center_hole_diameter: 0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-043-5824, 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
RA12872-19
NSN: 5331-01-043-5824
FSC: 5331 — O-RING
CAGE: 24664 — JONAL LABORATORIES INC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
center_hole_diameter0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
NSN5331-01-043-5824
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RA12872-19 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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
•
CENTER HOLE DIAMETER: 0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
CENTER HOLE DIAMETER0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
6235Interchangeable
interchangeable cross-reference
interchangeable
062356Interchangeable
interchangeable cross-reference
interchangeable
722 17-3Interchangeable
interchangeable cross-reference
interchangeable
DA6235Interchangeable
interchangeable cross-reference
interchangeable
80824AInterchangeable
interchangeable cross-reference
interchangeable
1049545Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RA12872-19?
RA12872-19 is a O-RING.
What parts can replace RA12872-19?
There are 12 known substitutes for RA12872-19: 6235, 062356, 722 17-3 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RA12872-19?
RA12872-19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-043-5824. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026