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Technical Data Sheet
PartsTable / COMPONENT / 11378NPC20
11378NPC20 ✓ 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 cross-sectional_thickness: 0.175 INCHES NOMINAL IN, material_document_and_classification: MIL-G-16265,CL A MIL SPEC ALL MATERIAL RESPONSES OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-543-2876, 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
11378NPC20
NSN: 5330-00-543-2876
FSC: 5330
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 347 AND STEEL AND ASBESTOS CHRYSOTILE OR STEEL COMP 316L AND STEEL AND ASBESTOS CHRYSOTILE OR STEEL COMP 309S-CB AND STEEL AND ASBESTOS CHRYSOTILE OVERALL
cross-sectional_thickness0.175 INCHES NOMINAL IN
material_document_and_classificationMIL-G-16265,CL A MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-543-2876
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11378NPC20 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 THICKNESS: 0.175 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-16265,CL A MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 347 AND STEEL AND ASBESTOS CHRYSOTILE OR STEEL COMP 316L AND STEEL AND ASBESTOS CHRYSOTILE OR STEEL COMP 309S-CB AND STEEL AND ASBESTOS CHRYSOTILE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.175 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-16265,CL A MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 347 AND STEEL AND ASBESTOS CHRYSOTILE OR STEEL COMP 316L AND STEEL AND ASBESTOS CHRYSOTILE OR STEEL COMP 309S-CB AND STEEL AND ASBESTOS CHRYSOTILE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2528242-3Interchangeable
interchangeable cross-reference
interchangeable
15542Interchangeable
interchangeable cross-reference
interchangeable
34183Interchangeable
interchangeable cross-reference
interchangeable
K1038-1Interchangeable
interchangeable cross-reference
interchangeable
34153Interchangeable
interchangeable cross-reference
interchangeable
7616236 PC 5AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11378NPC20?
11378NPC20 is a GASKET.
What parts can replace 11378NPC20?
There are 7 known substitutes for 11378NPC20: 2528242-3, 15542, 34183 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11378NPC20?
11378NPC20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-543-2876. 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