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Technical Data Sheet
XLLM212-2 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: LEATHER CATTLEHIDE OVERALL, outside_diameter: 0.452 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.227 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN, cross-sectional_thickness: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-186-4945, 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
XLLM212-2
NSN: 5330-00-186-4945
FSC: 5330
CAGE: 72288 — EXCELSIOR, INC. (USA)
SPECIFICATIONS
materialLEATHER CATTLEHIDE OVERALL
outside_diameter0.452 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.227 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN
cross-sectional_thickness0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-186-4945
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: XLLM212-2 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: 0.452 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
APERTURE DIAMETER: 0.227 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN
MATERIAL: LEATHER CATTLEHIDE OVERALL
CROSS-SECTIONAL THICKNESS: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
STYLE DESIGNATOR: CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.452 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER0.227 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN
MATERIALLEATHER CATTLEHIDE OVERALL
CROSS-SECTIONAL THICKNESS0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
133690Interchangeable
interchangeable cross-reference
interchangeable
12831Interchangeable
interchangeable cross-reference
interchangeable
G2106D008Interchangeable
interchangeable cross-reference
interchangeable
5547A62Interchangeable
interchangeable cross-reference
interchangeable
LS402Interchangeable
interchangeable cross-reference
interchangeable
B2054-211Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is XLLM212-2?
XLLM212-2 is a GASKET.
What parts can replace XLLM212-2?
There are 18 known substitutes for XLLM212-2: 133690, 12831, G2106D008 and 15 more. Substitute compatibility should be verified for your specific system.
Is XLLM212-2 still available?
XLLM212-2 is currently cancelled.
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