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Technical Data Sheet
10A8858 ✓ 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 AND GLUE OVERALL, outside_diameter: 1.594 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.266 INCHES NOMINAL IN, cross-sectional_thickness: 0.125 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-516-7884, 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
10A8858
NSN: 5330-00-516-7884
FSC: 5330
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
outside_diameter1.594 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.266 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803 C3233-2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-516-7884
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10A8858 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER: 1.594 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
MATERIAL: PAPER AND GLUE OVERALL
STYLE DESIGNATOR: CIRCULAR
APERTURE DIAMETER: 1.266 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803 C3233-2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.594 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
MATERIALPAPER AND GLUE OVERALL
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER1.266 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803 C3233-2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
10554038-45Interchangeable
interchangeable cross-reference
interchangeable
80445Interchangeable
interchangeable cross-reference
interchangeable
07-857933Interchangeable
interchangeable cross-reference
interchangeable
107639Interchangeable
interchangeable cross-reference
interchangeable
FC2037Interchangeable
interchangeable cross-reference
interchangeable
C4SZ14526BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10A8858?
10A8858 is a GASKET.
What parts can replace 10A8858?
There are 21 known substitutes for 10A8858: 10554038-45, 80445, 07-857933 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10A8858?
10A8858 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-516-7884. This indicates validated use in U.S. government and defense supply chains.
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