NSN 6550-01-460-7597 — Chlorine Test Reagent

NSN 6550-01-460-7597 is the national stock number for a chlorine test reagent in federal supply class 6550 (In Vitro Diagnostic Substances, Reagents, Test Kits And Sets). It cross-references to 9 manufacturer part numbers from 11 CAGE codes, including Hach Company, Defense Logistics Agency Directorate Of Medical Materiel Defense Supply Center Philadelphia, Thermo Fisher Scientific Pty Ltd Thermo Fisher Scientific Australia; the primary is 03-0677. The unit of issue is PG and the FLIS list price is $40.48.

The U.S. government has bought this item 24 times on record, 24 of them in the last 24 months, most recently on September 28, 2026 for $28 from Midland Scientific Inc. The median unit price paid over 36 months is $29.50. 1 solicitation is open right now, the soonest due September 30, 2026 for 1 PG. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.