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Technical Data Sheet
PartsTable / COMPONENT / 3N139PC19
3N139PC19 ✓ 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: LEAD OVERALL, outside_diameter: 0.938 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.688 INCHES NOMINAL IN, cross-sectional_thickness: 0.031 INCHES NOMINAL IN, cross-sectional_shape_style: RECTANGULAR METAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-599-4748, 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
3N139PC19
NSN: 5330-00-599-4748
FSC: 5330
CAGE: 54370 — ALFA LAVAL INC. (USA)
SPECIFICATIONS
materialLEAD OVERALL
outside_diameter0.938 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.688 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
material_document_and_classificationQQ-L-201,GR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-599-4748
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3N139PC19 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-L-201,GR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
OUTSIDE DIAMETER: 0.938 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.688 INCHES NOMINAL IN
•
MATERIAL: LEAD OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-L-201,GR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER0.938 INCHES NOMINAL IN
APERTURE DIAMETER0.688 INCHES NOMINAL IN
MATERIALLEAD OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
1569Interchangeable
interchangeable cross-reference
interchangeable
C5NN-7B155-AInterchangeable
interchangeable cross-reference
interchangeable
201569Interchangeable
interchangeable cross-reference
interchangeable
HP3400Interchangeable
interchangeable cross-reference
interchangeable
MS51800-5Interchangeable
interchangeable cross-reference
interchangeable
DWG5120-00-239-0035Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3N139PC19?
3N139PC19 is a GASKET.
What parts can replace 3N139PC19?
There are 23 known substitutes for 3N139PC19: 1569, C5NN-7B155-A, 201569 and 20 more. Substitute compatibility should be verified for your specific system.
Is 3N139PC19 still available?
3N139PC19 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026