The Counter,particle,laser, cataloged under National Stock Number 6625-01-475-1027, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-475-1027 |
| Primary Part Number | ABACUS 301 |
| Item Name | Counter,particle,laser |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Particle Measuring Systems, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | HAND HELD LASER PARTICLE COUNTER; FOUR FIXED SIZING CHANNELS AT 0.3, 0.5, 1.0, AND 5.0 MICRONS; COUNT DATA AUTOMATICALLY STORED IN A 500 SAMPLE MEMORY THAT CAN BE DOWNLOADED TO A PORTABLE PRINTER OR PERSONAL COMPUTER; RS232 COMMUNICATIONS INTERFACE; SIZE SENSITIVITY 0.30 MICRON AT 50 PERCENT COUNTING EFFICIENCY; 0.1 CFM INPUT FLOW RATE; LASER DIODE LIGHT SOURCE; RECHARGEABLE NIMH PACK BATTERY; BUILT IN BATTERY PACK OR 100-240 VAC 50/60 HZ. WITH EXTERNAL POWER SUPPLY; 4 LINE LIQUID CRYSTAL DISPLAY VAC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ABACUS 301 PRIMARY | Particle Measuring Systems, Inc (USA) |
NSN 6625-01-475-1027 is a Counter,particle,laser, manufactured by Particle Measuring Systems, Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-475-1027 has 1 manufacturer part number on file: ABACUS 301 (Particle Measuring Systems, Inc).
Key specifications for ABACUS 301: Overall Height: 8.700 INCHES NOMINAL IN; General Characteristics Item Description: HAND HELD LASER PARTICLE COUNTER; FOUR FIXED SIZING CHANNELS AT 0.3, 0.5, 1.0, AND 5.0 MICRONS; COUNT DATA AUTOMATICALLY STORED IN A 500 SAMPLE MEMORY THAT CAN BE DOWNLOADED TO A PORTABLE PRINTER OR PERSONAL COMPUTER; RS232 COMMUNICATIONS INTERFACE; SIZE SENSITIVITY 0.30 MICRON AT 50 PERCENT COUNTING EFFICIENCY; 0.1 CFM INPUT FLOW RATE; LASER DIODE LIGHT SOURCE; RECHARGEABLE NIMH PACK BATTERY; BUILT IN BATTERY PACK OR 100-240 VAC 50/60 HZ. WITH EXTERNAL POWER SUPPLY; 4 LINE LIQUID CRYSTAL DISPLAY VAC; Overall Length: 2.200 INCHES NOMINAL IN; Overall Width: 3.900 INCHES NOMINAL IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.