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Technical Data Sheet
PartsTable / O-RING / 15845NPC19
15845NPC19 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, cross-sectional_height: 0.125 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 5331-00-837-4378, 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
15845NPC19
NSN: 5331-00-837-4378
FSC: 5331 — O-RING
CAGE: 37795 — MAIER HERMAN
SPECIFICATIONS
materialRUBBER SYNTHETIC
cross-sectional_height0.125 INCHES NOMINAL IN
NSN5331-00-837-4378
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 15845NPC19 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 HEIGHT: 0.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
20628Interchangeable
interchangeable cross-reference
interchangeable
4537-7/16Interchangeable
interchangeable cross-reference
interchangeable
232R-437Interchangeable
interchangeable cross-reference
interchangeable
50-10146 4537-7/16Interchangeable
interchangeable cross-reference
interchangeable
N2062894Interchangeable
interchangeable cross-reference
interchangeable
13814NREVBPC12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15845NPC19?
15845NPC19 is a O-RING.
What parts can replace 15845NPC19?
There are 10 known substitutes for 15845NPC19: 20628, 4537-7/16, 232R-437 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15845NPC19?
15845NPC19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-837-4378. 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