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Technical Data Sheet
A11558 ✓ 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: PAPER OVERALL, outside_diameter: 2.125 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.641 INCHES NOMINAL IN, cross-sectional_thickness: 0.125 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-318-4089, 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
A11558
NSN: 5330-00-318-4089
FSC: 5330
CAGE: 46522 — DCM MANUFACTURING, INC. (USA)
SPECIFICATIONS
materialPAPER OVERALL
outside_diameter2.125 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.641 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-318-4089
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A11558 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: 0.125 INCHES NOMINAL IN
MATERIAL: PAPER OVERALL
OUTSIDE DIAMETER: 2.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
APERTURE DIAMETER: 1.641 INCHES NOMINAL IN
STYLE DESIGNATOR: CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
MATERIALPAPER OVERALL
OUTSIDE DIAMETER2.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER1.641 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
H2473Interchangeable
interchangeable cross-reference
interchangeable
25815Interchangeable
interchangeable cross-reference
interchangeable
2607Interchangeable
interchangeable cross-reference
interchangeable
C4-1005Interchangeable
interchangeable cross-reference
interchangeable
1585384Interchangeable
interchangeable cross-reference
interchangeable
E2894PC39Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A11558?
A11558 is a GASKET.
What parts can replace A11558?
There are 7 known substitutes for A11558: H2473, 25815, 2607 and 4 more. Substitute compatibility should be verified for your specific system.
Is A11558 still available?
A11558 is currently cancelled.
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