The Cell,salinity Detector, cataloged under National Stock Number 4620-01-645-2974, is classified within Federal Supply Class 4620 (Water Distillation Equipment, Marine and Industrial) of the Water Purification and Sewage Treatment group. The manufacturer of record is Salt Separation Services Ltd. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4620-01-645-2974 |
| Primary Part Number | N599/B |
| Item Name | Cell,salinity Detector |
| FSC / FSG | 4620 / 46 — Water Distillation Equipment, Marine and Industrial |
| Manufacturer | Salt Separation Services Ltd |
| 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 |
| Part Number | Manufacturer |
|---|---|
| N599/B | Salt Separation Services Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 3-2819-1 | 3/9 Design control — primary reference Georg Fischer Llc Dba Georg Fischer Piping |
NSN 4620-01-645-2974 is a Cell,salinity Detector, manufactured by Salt Separation Services Ltd, classified under FSC 4620, Water Distillation Equipment, Marine and Industrial. Status: active.
NSN 4620-01-645-2974 has 1 manufacturer part number on file: N599/B (Salt Separation Services Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6630-01-647-9023. Verify interchangeability with system specifications before substitution.
Key specifications for N599/B: Special Features: RANGE 0.02 TO 50 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.