UNSPSC 24111826: Sight glasses

A sight glass, also called a sight window or view port, provides a means of seeing inside a process vessel or tank. Operators use sight glass to visually verify stages of a process, inspect process media, and to observe liquid levels, designed for particular levels of pressure, temperature, corrosion resistance, thermal stress and impact. component.

UNSPSC 24111826 Sight glasses is a Commodity code encompassing optical products and related dispensing services that state and local governments procure for employee safety programs, institutional populations, and public-sector beneficiaries. Recent solicitations show state and local buyers purchasing prescription eyeglasses, frames, lenses (including bifocal, trifocal, and specialty materials), eyeglass fittings, and ancillary optical supplies such as nosepieces, temples, and slab-off services. The issuing-body mix spans state health and human services agencies, public universities, county governments, and regional cooperative purchasing entities. Texas dominates recent activity, with the Texas Health and Human Services Commission, Texas Tech University Health Sciences Center, and Harris County all posting opportunities in the past four months. California and Washington state procurement vehicles also appear in the recent record.

Representative recent opportunities include the Texas Health and Human Services Commission's IFB HHS0017589 for prescription eyeglasses, frames, lenses, and fitting services at Mexia State Supported Living Center, with bids due July 15, 2026, historical spending of $48,370.65 annually, and unit pricing between $50.00 and $2,000.00; Texas Tech University Health Sciences Center's IFB 739-SL3809803 for optical supplies including Titmus frames, plastic lenses, and slab-off services to serve 19 criminal-justice facilities across West Texas, with bids due July 17, 2026 and a HUB Subcontracting Plan requirement if expenditures exceed $100,000; the County of San Mateo's Informal RFP 2026RFPINFORMAL00219 for a comprehensive prescription safety glasses program for employees complying with ANSI Z87.1-2020 and OSHA standards, with proposals due January 2, 2026 and a five-year contract term; and Harris County's RFO KJ09102026 for optical retail and dispensing services, with offers due October 2, 2026. Sourcewell's RFP 061626 for law enforcement equipment, due June 16, 2026, indicates sight-glass products may be included in broader equipment procurements across cooperative purchasing networks spanning multiple states.