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Technical Data Sheet
198203 ✓ 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: STEEL COMP 321 OVERALL, outside_diameter: 10.702 INCHES MINIMUM AND 10.707 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 10.610 INCHES MINIMUM AND 10.623 INCHES MAXIMUM IN, cross-sectional_thickness: 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN, cross-sectional_shape_style: HOLLOW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-634-8237, 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
198203
NSN: 5330-00-634-8237
FSC: 5330
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
outside_diameter10.702 INCHES MINIMUM AND 10.707 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter10.610 INCHES MINIMUM AND 10.623 INCHES MAXIMUM IN
cross-sectional_thickness0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
cross-sectional_shape_styleHOLLOW
material_document_and_classificationAMS 5570 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-634-8237
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 198203 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
MATERIAL: STEEL COMP 321 OVERALL
OUTSIDE DIAMETER: 10.702 INCHES MINIMUM AND 10.707 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: HOLLOW
CROSS-SECTIONAL THICKNESS: 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
APERTURE DIAMETER: 10.610 INCHES MINIMUM AND 10.623 INCHES MAXIMUM IN
STYLE DESIGNATOR: CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 321 OVERALL
OUTSIDE DIAMETER10.702 INCHES MINIMUM AND 10.707 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEHOLLOW
CROSS-SECTIONAL THICKNESS0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
APERTURE DIAMETER10.610 INCHES MINIMUM AND 10.623 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5570 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
0556N4Interchangeable
interchangeable cross-reference
interchangeable
134602Interchangeable
interchangeable cross-reference
interchangeable
470752Interchangeable
interchangeable cross-reference
interchangeable
107-0253Interchangeable
interchangeable cross-reference
interchangeable
107-0253APLInterchangeable
interchangeable cross-reference
interchangeable
EON-010702-05-03-1-SPDInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 198203?
198203 is a GASKET.
What parts can replace 198203?
There are 6 known substitutes for 198203: 0556N4, 134602, 470752 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 198203?
198203 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-634-8237. This indicates validated use in U.S. government and defense supply chains.
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