The Counter,particle, cataloged under National Stock Number 6635-01-533-8919, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Particle Measuring Systems, Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-533-8919 |
| Primary Part Number | HANDILAZ 301 |
| Item Name | Counter,particle |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Particle Measuring Systems, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | SOLID STATE LASER DIODE;MEASURES TEMPERATURE AND RELATIVE HUMIDITY;OFFERS CHOICE OF FOUR LANGUAGES;SIZING SENSITIVITES FROM 0.3UM TO 5.0UM;SAMPLE FLOW RATE OF 0.1CFM/2.8 LPM;STORES UP TO 500 SETS OF DATA IN MEMORY;BATTERY OPERATED |
| 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 |
|---|---|
| HANDILAZ 301 PRIMARY | Particle Measuring Systems, Inc (USA) |
| 104000-1 | Pmt France (FRA) |
NSN 6635-01-533-8919 is a Counter,particle, manufactured by Particle Measuring Systems, Inc, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-533-8919 has 2 manufacturer part numbers on file: HANDILAZ 301 (Particle Measuring Systems, Inc), 104000-1 (Pmt France).
Key specifications for HANDILAZ 301: General Characteristics Item Description: SOLID STATE LASER DIODE;MEASURES TEMPERATURE AND RELATIVE HUMIDITY;OFFERS CHOICE OF FOUR LANGUAGES;SIZING SENSITIVITES FROM 0.3UM TO 5.0UM;SAMPLE FLOW RATE OF 0.1CFM/2.8 LPM;STORES UP TO 500 SETS OF DATA IN MEMORY;BATTERY OPERATED; Part Name Assigned by Controlling Agency: HANDHELD PARTICLE COUNTER. 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.