The Calibrating Kit,hyd, cataloged under National Stock Number 6635-01-288-8102, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hach Ultra Analytics Inc. Dba Pacific Scientific Instruments. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-288-8102 |
| Primary Part Number | 640-0041 |
| Item Name | Calibrating Kit,hyd |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Hach Ultra Analytics Inc. Dba Pacific Scientific Instruments |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 640-0041 PRIMARY | Hach Ultra Analytics Inc. Dba Pacific Scientific Instruments (USA) |
| Reference | Meaning |
|---|---|
| 640-0041-003 | 5/9 Secondary reference Pacific Scientific Instruments Hiac Royco Div |
| 640-0041-003 | 5/9 Secondary reference Hach Ultra Analytics Inc. Dba Pacific Scientific Instruments |
NSN 6635-01-288-8102 is a Calibrating Kit,hyd, manufactured by Hach Ultra Analytics Inc. Dba Pacific Scientific Instruments, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-288-8102 has 1 manufacturer part number on file: 640-0041 (Hach Ultra Analytics Inc. Dba Pacific Scientific Instruments).
Key specifications for 640-0041: Special Features: ITEM IS AIR CLEANER FINE DUST (ACFTD), CONSISTS OF 4-250ML BOTTLES OF POLYDISPERSE ACFTD PARTICLES SUSPENDED IN MIL-H-5606 HYDRAULIC FLUID, STIRRING RODS, CERTIFICATION DOCUMENT, GRAPH PAPER AND PROCEDURE FOR CALIBRATING PARTICLE SIZE ANALYZER INSTRUMENTS. 0 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.