PartsTable
Technical Data Sheet
C4050BK4 ✓ 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: ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL, outside_diameter: 2.156 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.812 INCHES NOMINAL IN, cross-sectional_thickness: 0.031 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-292-7155, 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
C4050BK4
NSN: 5330-00-292-7155
FSC: 5330
CAGE: 3F033 — VAPOR POWER INTERNATIONAL, LLC (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
outside_diameter2.156 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.812 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-A-17472 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-292-7155
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C4050BK4 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 THICKNESS: 0.031 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-17472 MIL SPEC ALL MATERIAL RESPONSES OVERALL
APERTURE DIAMETER: 1.812 INCHES NOMINAL IN
MATERIAL: ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
STYLE DESIGNATOR: CIRCULAR
OUTSIDE DIAMETER: 2.156 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-17472 MIL SPEC ALL MATERIAL RESPONSES OVERALL
APERTURE DIAMETER1.812 INCHES NOMINAL IN
MATERIALASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER2.156 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
11385Interchangeable
interchangeable cross-reference
interchangeable
350-RTInterchangeable
interchangeable cross-reference
interchangeable
918 50Interchangeable
interchangeable cross-reference
interchangeable
LG81K1Interchangeable
interchangeable cross-reference
interchangeable
AS2741/APN-194Interchangeable
interchangeable cross-reference
interchangeable
11385/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C4050BK4?
C4050BK4 is a GASKET.
What parts can replace C4050BK4?
There are 10 known substitutes for C4050BK4: 11385, 350-RT, 918 50 and 7 more. Substitute compatibility should be verified for your specific system.
Is C4050BK4 still available?
C4050BK4 is currently cancelled.
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