PartsTable
Technical Data Sheet
PartsTable / O-RING / 21C2222-1225
21C2222-1225 ✓ 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 SYNTHETIC, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, center_hole_diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, cross-sectional_height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-599-2921, 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
21C2222-1225
NSN: 5331-00-599-2921
FSC: 5331 — O-RING
CAGE: 31682 — JANKE & COMPANY INC DBA ELECTRONIC BRAZING CO DIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
center_hole_diameter0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
NSN5331-00-599-2921
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21C2222-1225 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: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
•
CENTER HOLE DIAMETER: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
CENTER HOLE DIAMETER0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
74297AInterchangeable
interchangeable cross-reference
interchangeable
17904Interchangeable
interchangeable cross-reference
interchangeable
U3B695Interchangeable
interchangeable cross-reference
interchangeable
272SC244Interchangeable
interchangeable cross-reference
interchangeable
9964Interchangeable
interchangeable cross-reference
interchangeable
9064Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21C2222-1225?
21C2222-1225 is a O-RING.
What parts can replace 21C2222-1225?
There are 17 known substitutes for 21C2222-1225: 74297A, 17904, U3B695 and 14 more. Substitute compatibility should be verified for your specific system.
Is 21C2222-1225 still available?
21C2222-1225 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