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PartsTable / COMPONENT / AS11S51-012PC56
AS11S51-012PC56 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, outside_diameter: 4.500 INCHES NOMINAL IN, aperture_diameter: 3.000 INCHES NOMINAL IN, center_to_center_distance: 0.125 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, cross-sectional_shape_style: METAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-6546, 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
AS11S51-012PC56
NSN: 5330-00-285-6546
FSC: 5330
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
outside_diameter4.500 INCHES NOMINAL IN
aperture_diameter3.000 INCHES NOMINAL IN
center_to_center_distance0.125 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL
NSN5330-00-285-6546
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS11S51-012PC56 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
•
APERTURE DIAMETER: 3.000 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER3.000 INCHES NOMINAL IN
OUTSIDE DIAMETER4.500 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE0.125 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
MATERIALNICKEL ALLOY OVERALL
CROSS-SECTIONAL SHAPE STYLEMETAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
G2Interchangeable
interchangeable cross-reference
interchangeable
D3907Interchangeable
interchangeable cross-reference
interchangeable
G2LAMPInterchangeable
interchangeable cross-reference
interchangeable
6Interchangeable
interchangeable cross-reference
interchangeable
208020-0109Interchangeable
interchangeable cross-reference
interchangeable
EMM304Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS11S51-012PC56?
AS11S51-012PC56 is a GASKET.
What parts can replace AS11S51-012PC56?
There are 24 known substitutes for AS11S51-012PC56: G2, D3907, G2LAMP and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS11S51-012PC56?
AS11S51-012PC56 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-6546. 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