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PartsTable / COMPONENT / 42856ITEM12
42856ITEM12 ✓ 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: ASBESTOS OVERALL, joint_type: SCARF-PERIPHERAL OVERALL, rim_surface_width: 0.250 INCHES NOMINAL IN, peripheral_diameter: 1.625 INCHES NOMINAL IN, center_hole_diameter: 1.125 INCHES NOMINAL IN, cross-sectional_shape_style: CUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-290-5174, 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
42856ITEM12
NSN: 5330-00-290-5174
FSC: 5330
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
joint_typeSCARF-PERIPHERAL OVERALL
rim_surface_width0.250 INCHES NOMINAL IN
peripheral_diameter1.625 INCHES NOMINAL IN
center_hole_diameter1.125 INCHES NOMINAL IN
cross-sectional_shape_styleCUP
material_document_and_classification201 FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-290-5174
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 42856ITEM12 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 SHAPE STYLE: CUP
•
CENTER HOLE DIAMETER: 1.125 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 1.625 INCHES NOMINAL IN
•
RIM SURFACE WIDTH: 0.250 INCHES NOMINAL IN
•
JOINT TYPE: SCARF-PERIPHERAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 201 FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: ASBESTOS OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLECUP
CENTER HOLE DIAMETER1.125 INCHES NOMINAL IN
PERIPHERAL DIAMETER1.625 INCHES NOMINAL IN
RIM SURFACE WIDTH0.250 INCHES NOMINAL IN
JOINT TYPESCARF-PERIPHERAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION201 FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALASBESTOS OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
A-846-6Interchangeable
interchangeable cross-reference
interchangeable
695224-1Interchangeable
interchangeable cross-reference
interchangeable
E-323E-1Interchangeable
interchangeable cross-reference
interchangeable
21545Interchangeable
interchangeable cross-reference
interchangeable
21545AInterchangeable
interchangeable cross-reference
interchangeable
502NBMGWAHP76-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42856ITEM12?
42856ITEM12 is a PACKING,PREFORMED.
What parts can replace 42856ITEM12?
There are 16 known substitutes for 42856ITEM12: A-846-6, 695224-1, E-323E-1 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42856ITEM12?
42856ITEM12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-290-5174. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026