The Tester,water, cataloged under National Stock Number 6630-01-552-1008, is classified within Federal Supply Class 6630 (Chemical Analysis Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Defelsko Corporation. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6630-01-552-1008 |
| Primary Part Number | PH-25103 |
| Item Name | Tester,water |
| FSC / FSG | 6630 / 66 — Chemical Analysis Instruments |
| Manufacturer | Defelsko Corporation |
| Status | ACTIVE |
| Overall Diameter | 38.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| PH-25103 PRIMARY | Defelsko Corporation (USA) |
NSN 6630-01-552-1008 is a Tester,water, manufactured by Defelsko Corporation, classified under FSC 6630, Chemical Analysis Instruments. Status: active.
NSN 6630-01-552-1008 has 1 manufacturer part number on file: PH-25103 (Defelsko Corporation).
Key specifications for PH-25103: Overall Diameter: 38.0 MILLIMETERS NOMINAL MM; Overall Length: 165.0 MILLIMETERS NOMINAL MM; Special Features: INCLUDES AUTOMATIC TEMPERATURE COMPENSATION AND THREE POINT PUSH-BUTTON CALIBRATION, REPLACEABLE DOUBLE JUNCTION ELECTRODE, AUTO BUFFER RECOGNITION, HOLD FUNCTION, AUTO-OFF, ERROR MESSAGES AND CERTIFIABLE TO IP67 STANDARDS; Part Name Assigned by Controlling Agency: OAKTON DOUBLE JUNCTION WATERPROOF PH TESTER 10. 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.