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Technical Data Sheet
PartsTable / COMPONENT / 8538D
8538D ✓ 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 CORE, outside_diameter: 2.750 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.031 INCHES NOMINAL IN, cross-sectional_thickness: 0.078 INCHES NOMINAL IN, cross-sectional_shape_style: METAL WITH SOFT FILLER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-253-1095, 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
8538D
NSN: 5330-00-253-1095
FSC: 5330
CAGE: 22593 — FITZGERALD GASKET A CO OF TANNETICS INC (USA)
SPECIFICATIONS
materialASBESTOS CORE
outside_diameter2.750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.031 INCHES NOMINAL IN
cross-sectional_thickness0.078 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WITH SOFT FILLER
NSN5330-00-253-1095
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8538D 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: 0.078 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL WITH SOFT FILLER
•
MATERIAL: STEEL CASE
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 2.031 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.078 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL WITH SOFT FILLER
MATERIALSTEEL CASE
MATERIALASBESTOS CORE
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER2.031 INCHES NOMINAL IN
OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
23F703-10K400Interchangeable
interchangeable cross-reference
interchangeable
23F703G103Interchangeable
interchangeable cross-reference
interchangeable
4359Interchangeable
interchangeable cross-reference
interchangeable
331C092H01Interchangeable
interchangeable cross-reference
interchangeable
8T1000Interchangeable
interchangeable cross-reference
interchangeable
65103Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8538D?
8538D is a GASKET.
What parts can replace 8538D?
There are 8 known substitutes for 8538D: 23F703-10K400, 23F703G103, 4359 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8538D?
8538D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-253-1095. 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