Full form of OS1 is Operations Specialist Petty Officer 1st Class
Category:
Others
Language:
English
Advertisement
Frequently Asked Questions
What is the full form of OS1?
OS1 stands for Operations Specialist Petty Officer 1st Class. Fullformexpand.com has 1 other full form of OS1 abbreviation.
Advertisement
Citations
You can use the appropriate citation option from below to add a reference to this page.
"OS1." Fullformexpand.com, https://www.fullformexpand.com/os1/operations-specialist-petty-officer-1st-class. Accessed 16 Jun. 2026.
Fullformexpand.com, 2026. "OS1." Accessed June 16, 2026. https://www.fullformexpand.com/os1/operations-specialist-petty-officer-1st-class.
"OS1." (n.d.). Fullformexpand.com. Retrieved June 16, 2026, from https://www.fullformexpand.com/os1/operations-specialist-petty-officer-1st-class.
OS1. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/os1/operations-specialist-petty-officer-1st-class (Accessed: 16 June 2026).
| Abbreviation | Full Form | Category |
|---|---|---|
| OS1 | Officer's Steward 1st Class (non Petty Officer) |
Others
|
Other similar or related abbreviations
Advertisement
Try Our Chrome Extension
Website Status Checker
Instantly check if any website is up or down
- Real-time website monitoring
- One-click status check
- 100% free to use
Advertisement
OS1 Full Form
Abbreviation of the Day
16 Jun 2026SABIC
Saudi Basic Industries Corporation
SABIC (Saudi Basic Industries Corporation) is a Saudi multinational chemical product manufacturing company. It is a subsidiary of Saudi Aramco and currently the second largest public company in Middle east\u2026
Read more →Advertisement