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20A11CM212 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20A11CM212: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 1.119 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN, center_hole_diameter: 0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, end_item_identification: ARMORED MULTI-PURPOSE VEHICLE (AMPV); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-250-0226, 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
20A11CM212
NSN: 5331-00-250-0226
FSC: 5331 — O-ring
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter1.119 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
center_hole_diameter0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
end_item_identificationARMORED MULTI-PURPOSE VEHICLE (AMPV); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
NSN5331-00-250-0226
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20A11CM212 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
•
OUTSIDE DIAMETER: 1.119 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.119 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONARMORED MULTI-PURPOSE VEHICLE (AMPV); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
MS29513-212Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
212-7866Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1793-212Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-212 N602-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
99-346Reference document
Same NSN cross-reference
Reference document — Secondary reference
7866-212Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20A11CM212?
20A11CM212 is a O-RING.
What parts can replace 20A11CM212?
There are 8 known substitutes for 20A11CM212: MS29513-212, 212-7866, 1793-212 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20A11CM212?
20A11CM212 is cataloged in the U.S. Government catalog under NSN 5331-00-250-0226. This indicates validated use in U.S. government and defense supply chains.
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