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Technical Data Sheet
PartsTable / COMPONENT / 03158900
03158900 ✓ 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 outside_diameter: 55.0 MILLIMETERS NOMINAL MM, style_designator: CIRCULAR, aperture_diameter: 42.0 MILLIMETERS NOMINAL MM, cross-sectional_thickness: 0.5 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-100-0643, 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
03158900
NSN: 5330-01-100-0643
FSC: 5330
CAGE: 61080 — HATZ DIESEL OF AMERICA INC (USA)
SPECIFICATIONS
outside_diameter55.0 MILLIMETERS NOMINAL MM
style_designatorCIRCULAR
aperture_diameter42.0 MILLIMETERS NOMINAL MM
cross-sectional_thickness0.5 MILLIMETERS NOMINAL MM
NSN5330-01-100-0643
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 03158900 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: 55.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 42.0 MILLIMETERS NOMINAL MM
•
CROSS-SECTIONAL THICKNESS: 0.5 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER55.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER42.0 MILLIMETERS NOMINAL MM
CROSS-SECTIONAL THICKNESS0.5 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
75-25CInterchangeable
interchangeable cross-reference
interchangeable
82030Interchangeable
interchangeable cross-reference
interchangeable
425-5664Interchangeable
interchangeable cross-reference
interchangeable
EP 8812Interchangeable
interchangeable cross-reference
interchangeable
10132899Interchangeable
interchangeable cross-reference
interchangeable
5355PL1957097Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 03158900?
03158900 is a GASKET.
What parts can replace 03158900?
There are 11 known substitutes for 03158900: 75-25C, 82030, 425-5664 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 03158900?
03158900 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-100-0643. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026