The Chlorine Test Reagent, cataloged under National Stock Number 6550-01-620-7948, is classified within Federal Supply Class 6550 (In Vitro Diagnostic Substances, Reagents, Test Kits and Sets) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Hach Pacific Pty Ltd. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6550-01-620-7948 |
| Primary Part Number | HACH-2770900 |
| Item Name | Chlorine Test Reagent |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Hach Pacific Pty Ltd |
| Status | ACTIVE |
| Primary Container Content Quantity | 100.0 UNITS |
| Primary Container Type | PACKET |
| Physical Form | POWDER |
| Usage Design | DETERMINATION OF CHLORINE DIOXIDE IN DRINKING WATER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HACH-2770900 | Hach Pacific Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 2770900 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6550-01-620-7948 is a Chlorine Test Reagent, manufactured by Hach Pacific Pty Ltd, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-620-7948 has 1 manufacturer part number on file: HACH-2770900 (Hach Pacific Pty Ltd).
Key specifications for HACH-2770900: Primary Container Content Quantity: 100.0 UNITS; Primary Container Type: PACKET; Physical Form: POWDER; Special Features: INCL. DPD FREE CHLORINE REAGENT PWDR PILLOWS, GLYSINE. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.