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Technical Data Sheet
42-0191 ✓ 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 TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include overall_length: 8.500 INCHES NOMINAL IN, inside_diameter: 3.380 INCHES NOMINAL IN, overall_diameter: 5.500 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 5340-00-005-0225, 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
42-0191
NSN: 5340-00-005-0225
FSC: 5340
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
overall_length8.500 INCHES NOMINAL IN
inside_diameter3.380 INCHES NOMINAL IN
overall_diameter5.500 INCHES NOMINAL IN
NSN5340-00-005-0225
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 42-0191 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
INSIDE DIAMETER: 3.380 INCHES NOMINAL IN
OVERALL DIAMETER: 5.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER3.380 INCHES NOMINAL IN
OVERALL DIAMETER5.500 INCHES NOMINAL IN
OVERALL LENGTH8.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
50234Interchangeable
interchangeable cross-reference
interchangeable
42-1091Interchangeable
interchangeable cross-reference
interchangeable
3459-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42-0191?
42-0191 is a TRANSFORMER,POWER.
What parts can replace 42-0191?
There are 3 known substitutes for 42-0191: 50234, 42-1091, 3459-11. Substitute compatibility should be verified for your specific system.
What is the NSN for 42-0191?
42-0191 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-005-0225. This indicates validated use in U.S. government and defense supply chains.
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