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3057-12PC105 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3057-12PC105: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, temp_rating: 350.0 FAHRENHEIT DEGF, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 63.0 SHORE DUROMETER A MAXIMUM OVERALL, inner_groove_width: 0.156 INCHES NOMINAL IN, outer_groove_depth: 0.188 INCHES NOMINAL IN, outer_groove_width: 0.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-242-1992, 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
3057-12PC105
NSN: 5330-00-242-1992
FSC: 5330 — Packing and Gasket Materials
CAGE: 33781 — TUTHILL CORPORATION DBA TUTHILL VAC & BLOWER SYSTEMS DIV TUTHILL VACUUM SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
temp_rating350.0 FAHRENHEIT DEGF
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 63.0 SHORE DUROMETER A MAXIMUM OVERALL
inner_groove_width0.156 INCHES NOMINAL IN
outer_groove_depth0.188 INCHES NOMINAL IN
outer_groove_width0.094 INCHES NOMINAL IN
peripheral_diameter2.156 INCHES NOMINAL IN
center_hole_diameter1.797 INCHES NOMINAL IN
cross-sectional_height0.312 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
outer_groove_smallest_width0.062 INCHES NOMINAL IN
NSN5330-00-242-1992
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3057-12PC105 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
•
OUTER GROOVE DEPTH: 0.188 INCHES NOMINAL IN
•
TEMP RATING: 350.0 FAHRENHEIT DEGF
•
OUTER GROOVE SMALLEST WIDTH: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.312 INCHES NOMINAL IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 63.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 2.156 INCHES NOMINAL IN
•
OUTER GROOVE WIDTH: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER GROOVE DEPTH0.188 INCHES NOMINAL IN
TEMP RATING350.0 FAHRENHEIT DEGF
OUTER GROOVE SMALLEST WIDTH0.062 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.312 INCHES NOMINAL IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 63.0 SHORE DUROMETER A MAXIMUM OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER2.156 INCHES NOMINAL IN
OUTER GROOVE WIDTH0.094 INCHES NOMINAL IN
INNER GROOVE WIDTH0.156 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.797 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
125804Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3057-12PC105?
3057-12PC105 is a PACKING,PREFORMED.
What parts can replace 3057-12PC105?
There is 1 known substitute for 3057-12PC105: 125804. Substitute compatibility should be verified for your specific system.
What is the NSN for 3057-12PC105?
3057-12PC105 is cataloged in the U.S. Government catalog under NSN 5330-00-242-1992. This indicates validated use in U.S. government and defense supply chains.
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