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Technical Data Sheet
S8057-108U ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, center_hole_diameter: 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN, cross-sectional_height: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, cross-sectional_shape_style: O-RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-4829, 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
S8057-108U
NSN: 5330-00-291-4829
FSC: 5330
CAGE: 70201 — ATLANTIC RICHFIELD CO C AND D PRODUCTS DIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
center_hole_diameter2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN
cross-sectional_height0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
NSN5330-00-291-4829
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S8057-108U 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: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
MATERIAL: RUBBER SYNTHETIC OVERALL
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
CROSS-SECTIONAL SHAPE STYLE: O-RING
CENTER HOLE DIAMETER: 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC OVERALL
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
CENTER HOLE DIAMETER2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
48F6-4Interchangeable
interchangeable cross-reference
interchangeable
SAE-J513Interchangeable
interchangeable cross-reference
interchangeable
8F-6-4Interchangeable
interchangeable cross-reference
interchangeable
36T21 ST#11071Interchangeable
interchangeable cross-reference
interchangeable
110221Interchangeable
interchangeable cross-reference
interchangeable
430-368Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S8057-108U?
S8057-108U is a PACKING,PREFORMED.
What parts can replace S8057-108U?
There are 12 known substitutes for S8057-108U: 48F6-4, SAE-J513, 8F-6-4 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S8057-108U?
S8057-108U is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-4829. This indicates validated use in U.S. government and defense supply chains.
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