The Analyzer,particle Size, cataloged under National Stock Number 6635-01-464-2249, 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. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-464-2249 |
| Primary Part Number | MA300-5CH-0.3UM-10.0UM-220V |
| Item Name | Analyzer,particle Size |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Hach Ultra Analytics Inc. Dba Pacific Scientific Instruments |
| Status | ACTIVE |
| Frequency in Hertz | 50.0 |
| Current Type | AC |
| Voltage in Volts | 220.0 |
| Functional Description | USED IN CLEAN ROOM ENVIRONMENTS TCOUNT PARTICLES IN THE AIR |
| 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 |
|---|---|
| MA300-5CH-0.3UM-10.0UM-220V PRIMARY | Hach Ultra Analytics Inc. Dba Pacific Scientific Instruments (USA) |
| Reference | Meaning |
|---|---|
| MA300-5CH-0.3UM-10.0UM-220V | 3/9 Design control — primary reference Pacific Scientific Service Inc |
NSN 6635-01-464-2249 is a Analyzer,particle Size, manufactured by Hach Ultra Analytics Inc. Dba Pacific Scientific Instruments, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-464-2249 has 1 manufacturer part number on file: MA300-5CH-0.3UM-10.0UM-220V (Hach Ultra Analytics Inc. Dba Pacific Scientific Instruments).
Key specifications for MA300-5CH-0.3UM-10.0UM-220V: Frequency in Hertz: 50.0; Current Type: AC; Voltage in Volts: 220.0; Special Features: FLOW RATE: 1 CUBIC FOOT PER MINUTE; ZERO COUNTS: < 1 COUNT IN 60 MINUTES; COINCIDENCE LOSS: < 5 PERCENT AT 200.000 PARTICLES/FT CUBED; DISPLAY: LED; LIGHT SOURCE: LASER DIODE; SAMPLE TIME: 1 SECOND TO 24 HOURS; SAMPLE HOLD TIME: 1 SECOND TO 24 HOURS; OUTPUTS: RS232/RS485; DATA STORAGE; 400 SAMPLES; BUILT-IN PRINTER; CHANNELS: 5; SENSITIVITY: 0.3 OR 0.5UM; SIZE OF CHANNELS: 0.3, 0.5, 1.0, 5.0, AND 10.0UM; COUNTS TWO OR MORE SIZES SIMULTANEOUSLY; CAPABLE OF STORING UP TO 400 READINGS; FEDERAL STANDARD 209E CALCULATION. 4 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.