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Technical Data Sheet
PartsTable / COMPONENT / CAT. NO. 50-19B
CAT. NO. 50-19B ✓ 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 CAT. NO. 50-19B is a the manufacturer industrial component.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-277-8817, 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
CAT. NO. 50-19B
NSN: 5330-01-277-8817
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberCAT. NO. 50-19B
NSN5330-01-277-8817
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CAT. NO. 50-19B 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
19BInterchangeable
interchangeable cross-reference
interchangeable
ORTAC1/4ID.531ODInterchangeable
interchangeable cross-reference
interchangeable
38522Interchangeable
interchangeable cross-reference
interchangeable
7194-25250Interchangeable
interchangeable cross-reference
interchangeable
2794HInterchangeable
interchangeable cross-reference
interchangeable
76001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CAT. NO. 50-19B?
CAT. NO. 50-19B is a CAT. NO. 50-19B.
What parts can replace CAT. NO. 50-19B?
There are 11 known substitutes for CAT. NO. 50-19B: 19B, ORTAC1/4ID.531OD, 38522 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CAT. NO. 50-19B?
CAT. NO. 50-19B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-277-8817. 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