PartsTable
Technical Data Sheet
PartsTable / O-RING / 20204 PC 8
20204 PC 8 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.531 INCHES NOMINAL IN, overall_diameter: 0.750 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-160-9489, 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
20204 PC 8
NSN: 5331-00-160-9489
FSC: 5331 — O-RING
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.531 INCHES NOMINAL IN
overall_diameter0.750 INCHES NOMINAL IN
special_featuresMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5331-00-160-9489
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20204 PC 8 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 HEIGHT: 0.219 INCHES NOMINAL IN
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
•
OUTSIDE DIAMETER: 0.348 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
CENTER HOLE DIAMETER: 0.531 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.219 INCHES NOMINAL IN
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
OUTSIDE DIAMETER0.348 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZW
CENTER HOLE DIAMETER0.531 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
20269FN10Interchangeable
interchangeable cross-reference
interchangeable
20195PC10Interchangeable
interchangeable cross-reference
interchangeable
20210PC30Interchangeable
interchangeable cross-reference
interchangeable
A06486.009.142Interchangeable
interchangeable cross-reference
interchangeable
A6486.009.142Interchangeable
interchangeable cross-reference
interchangeable
8600 PIECE 22Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20204 PC 8?
20204 PC 8 is a O-RING.
What parts can replace 20204 PC 8?
There are 16 known substitutes for 20204 PC 8: 20269FN10, 20195PC10, 20210PC30 and 13 more. Substitute compatibility should be verified for your specific system.
Is 20204 PC 8 still available?
20204 PC 8 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026