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Technical Data Sheet
PartsTable / O-RING / S8057R4
S8057R4 ✓ 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: RUBBER SILICONE CLASS Q, center_hole_diameter: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-052-9730, 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
S8057R4
NSN: 5331-00-052-9730
FSC: 5331 — O-RING
CAGE: 59789 — PROPONENT, INC. DBA PROPONENT (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
center_hole_diameter0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-052-9730
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S8057R4 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
MATERIAL: RUBBER SILICONE CLASS Q
•
OUTSIDE DIAMETER: 0.337 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
MATERIALRUBBER SILICONE CLASS Q
OUTSIDE DIAMETER0.337 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
C5110-1G512JPInterchangeable
interchangeable cross-reference
interchangeable
DCZ51-002Interchangeable
interchangeable cross-reference
interchangeable
10154101Interchangeable
interchangeable cross-reference
interchangeable
S8057R4Interchangeable
interchangeable cross-reference
interchangeable
AS3582-009Interchangeable
Same NIIN cross-reference
interchangeable
AS-568A-009,70SLInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S8057R4?
S8057R4 is a O-RING.
What parts can replace S8057R4?
There are 9 known substitutes for S8057R4: C5110-1G512JP, DCZ51-002, 10154101 and 6 more. Substitute compatibility should be verified for your specific system.
Is S8057R4 still available?
S8057R4 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