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Technical Data Sheet
PartsTable / COMPONENT / P19S
P19S ✓ 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 PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include material: STEEL, outside_diameter: 1.382 INCHES NOMINAL IN, style_designator: CONCAVE, material_thickness: 0.063 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 5340-01-128-0429, 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
P19S
NSN: 5340-01-128-0429
FSC: 5340
CAGE: 72741 — DORMAN PRODUCTS, INC. DBA DORMAN (USA)
SPECIFICATIONS
materialSTEEL
outside_diameter1.382 INCHES NOMINAL IN
style_designatorCONCAVE
material_thickness0.063 INCHES NOMINAL IN
NSN5340-01-128-0429
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P19S 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
•
OUTSIDE DIAMETER: 1.382 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.382 INCHES NOMINAL IN
MATERIAL THICKNESS0.063 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
645A6Interchangeable
interchangeable cross-reference
interchangeable
8376442Interchangeable
interchangeable cross-reference
interchangeable
AC797Interchangeable
interchangeable cross-reference
interchangeable
105-125-010Interchangeable
interchangeable cross-reference
interchangeable
64321000050Interchangeable
interchangeable cross-reference
interchangeable
CAK21992NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P19S?
P19S is a PLUG,EXPANSION.
What parts can replace P19S?
There are 10 known substitutes for P19S: 645A6, 8376442, AC797 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P19S?
P19S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-128-0429. 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