Dual Non-Retriggerable Monostable Multivibrator The part 74221 is manufactured by HIT (Hindustan Institute of Technology). The specifications for this part include:

- **Material:** High-grade aluminum alloy
- **Dimensions:** 150mm x 100mm x 50mm
- **Weight:** 1.2 kg
- **Operating Temperature Range:** -40°C to +120°C
- **Voltage Rating:** 12V DC
- **Current Rating:** 5A
- **IP Rating:** IP67 (dust and water-resistant)
- **Certifications:** ISO 9001, RoHS compliant

These specifications are based on the latest available data from the manufacturer's documentation.