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Technical Data Sheet
PartsTable / COMPONENT / 385125
385125 ✓ 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: PAPER OVERALL, hole_diameter: 0.391 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 5.250 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.500 INCHES NOMINAL IN, bolt_circle_diameter: 4.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-339-5319, 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
385125
NSN: 5330-00-339-5319
FSC: 5330
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
materialPAPER OVERALL
hole_diameter0.391 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter5.250 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.500 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter4.500 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-339-5319
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 385125 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
•
BOLT CIRCLE DIAMETER: 4.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
HOLE DIAMETER: 0.391 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: PAPER OVERALL
•
BOLT HOLE QUANTITY: 6
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 5.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BOLT CIRCLE DIAMETER4.500 INCHES NOMINAL IN
APERTURE DIAMETER3.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER0.391 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALPAPER OVERALL
BOLT HOLE QUANTITY6
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER5.250 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
11660814-1Interchangeable
interchangeable cross-reference
interchangeable
143343Interchangeable
interchangeable cross-reference
interchangeable
L2-6289-20Interchangeable
interchangeable cross-reference
interchangeable
18236Interchangeable
interchangeable cross-reference
interchangeable
L090 5-8X5-8Interchangeable
interchangeable cross-reference
interchangeable
3824644Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 385125?
385125 is a GASKET.
What parts can replace 385125?
There are 9 known substitutes for 385125: 11660814-1, 143343, L2-6289-20 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 385125?
385125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-339-5319. 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