The Cell,salinity Detector, cataloged under National Stock Number 4620-01-645-2970, is classified within Federal Supply Class 4620 (Water Distillation Equipment, Marine and Industrial) of the Water Purification and Sewage Treatment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4620-01-645-2970 |
| Item Name | Cell,salinity Detector |
| FSC / FSG | 4620 / 46 — Water Distillation Equipment, Marine and Industrial |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3-2821-1 | 3/9 Design control — primary reference Georg Fischer Llc Dba Georg Fischer Piping |
NSN 4620-01-645-2970 is a Cell,salinity Detector, classified under FSC 4620, Water Distillation Equipment, Marine and Industrial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6630-01-647-9021. Verify interchangeability with system specifications before substitution.
Key specifications for 4620-01-645-2970: Special Features: RANGE 5 TO 5000 PPM; TEMPERATURE RESPONSE 7 SEC(0.01 CELL), 53 SEC(0.1 CELL), 21 SEC(1.0 CELL); SANITARY CONNECTION 100 PSI AT 120 DEGREE C; Part Name Assigned by Controlling Agency: CONDUCTIVITY/RESISTIVITY ELECTRODES; Material: STEEL CORROSION RESISTING. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.