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212-N11 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

212-N11: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, center_hole_diameter: 0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-125-1243, 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
212-N11
NSN: 5331-01-125-1243
FSC: 5331 — O-ring
CAGE: 11314 — HUTCHINSON SEAL CORPORATION (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
center_hole_diameter0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-125-1243
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 212-N11 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR
SUBSTITUTES & CROSS-REFERENCES 3
A-212SR569-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
212 2336Reference document
Same NSN cross-reference
Reference document — Secondary reference
212-1111Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 212-N11?
212-N11 is a O-RING.
What parts can replace 212-N11?
There are 3 known substitutes for 212-N11: A-212SR569-70, 212 2336, 212-1111. Substitute compatibility should be verified for your specific system.
What is the NSN for 212-N11?
212-N11 is cataloged in the U.S. Government catalog under NSN 5331-01-125-1243. This indicates validated use in U.S. government and defense supply chains.
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