The Meter,ph, cataloged under National Stock Number 6630-01-166-1344, is classified within Federal Supply Class 6630 (Chemical Analysis Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Corning Glass Works. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6630-01-166-1344 |
| Primary Part Number | 475241 |
| Item Name | Meter,ph |
| FSC / FSG | 6630 / 66 — Chemical Analysis Instruments |
| Manufacturer | Corning Glass Works |
| Status | ACTIVE |
| Features Provided | PORTABLE |
| Smallest Graduation Unit | 1.00 MILLIVOLTS AND 0.001 PH |
| Furnished Items and Quantity | 9 VOLT BATTERY 1; CARRYING CASE 1 |
| 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 |
|---|---|
| 475241 PRIMARY | Corning Glass Works (USA) |
| 4 | Corning Glass Works (USA) |
| Reference | Meaning |
|---|---|
| 34103-150 | 5/9 Secondary reference Univar Corp Van Waters and Rogers Inc |
| 13-641-590 | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| 060-145 | 5/9 Secondary reference Curtin Matheson Scientific Inc |
NSN 6630-01-166-1344 is a Meter,ph, manufactured by Corning Glass Works, classified under FSC 6630, Chemical Analysis Instruments. Status: active.
NSN 6630-01-166-1344 has 2 manufacturer part numbers on file: 475241 (Corning Glass Works), 4 (Corning Glass Works).
2 possible matches (shared part number, not a government interchangeability claim): 3510-01-459-3111, 6545-01-537-7360. Verify interchangeability with system specifications before substitution.
Key specifications for 475241: Overall Height: 3.000 INCHES NOMINAL IN; Overall Length: 11.000 INCHES NOMINAL IN; Overall Width: 2.750 INCHES NOMINAL IN; Features Provided: PORTABLE. 3 specifications are 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.