This tender invites bids for the supply of an API Coupling Wear Gauge specifically designed for hydrant couplers at the Pakistan State Oil Aviation Station in Karachi. The procurement falls under the Vehicles & Auto Parts category, reflecting the specialized equipment required for aviation fuel handling and safety. Karachi's strategic location as a major aviation hub necessitates precise and reliable measuring instruments to ensure operational efficiency and safety compliance. The scope involves supplying a high-quality wear gauge compatible with API standards, essential for monitoring the wear and tear of hydrant couplers used in aviation fuel dispensing. The equipment must meet stringent durability and accuracy requirements to withstand the demanding environment of an active aviation station. Suppliers should consider the technical specifications and environmental factors unique to Karachi's coastal climate. Bidders must ensure compliance with Pakistan Engineering Council (PEC) regulations and maintain an active tax status with the Federal Board of Revenue (FBR). It is advisable to verify the Active Taxpayer List (ATL) status for the fiscal year 2025-26 to avoid disqualification. Proper documentation including NTN and GST certificates is mandatory for participation. The submission deadline is set for 28th January 2026 at 14:15 hours, with bid opening scheduled immediately after. All bids must be submitted through the SAP Ariba online portal, ensuring a secure and transparent process. Interested parties should register on the SAP Ariba platform and upload the required documents as per instructions. Pro-Tip: Make sure to carefully follow the SAP Ariba registration and document upload procedures. Missing the official request letter format or failing to attach valid NTN and GST certificates can lead to rejection. Regularly check PSO and PPRA websites for any updates or amendments to the tender process.