The Water Sampling Test Kit,chlorine, cataloged under National Stock Number 6640-01-340-9658, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-340-9658 |
| Primary Part Number | 3VEP4 |
| Item Name | Water Sampling Test Kit,chlorine |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Component Quantity | 2 |
| Nonsupply Items and Quantities | 15 ML LACTIC ACID IN STOPPER BTL W/CAP 1; 30 ML TITRATION REAGENT IN STOPPER BTL W/CAP 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3VEP4 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| PCT-DR | 5/9 Secondary reference La Motte Chemical Products Co Inc, the Dba La Motte Company |
| 4497-DR | 3/9 Design control — primary reference La Motte Chemical Products Co Inc, the Dba La Motte Company |
| ZAZ 252114 | 5/1 Secondary reference Naval Medical Material Support Command Detachment |
NSN 6640-01-340-9658 is a Water Sampling Test Kit,chlorine, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-340-9658 has 1 manufacturer part number on file: 3VEP4 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 3VEP4: Component Quantity: 2; Nonsupply Items and Quantities: 15 ML LACTIC ACID IN STOPPER BTL W/CAP 1; 30 ML TITRATION REAGENT IN STOPPER BTL W/CAP 1; Special Features: DIRECT READING TITRATION METHOD; 0-200 PPM CL2 IN 4 PPM INCREMENTS; PERFORMS STARCH IODIDE-THIOSULFATE TITRATE ANALYSIS; EPA ACCEPTED; SUFFICIENT QTY TO PERFORM 50 TEST AT 200 PPM. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.