The Operating and Treatment Unit,den, cataloged under National Stock Number 6520-01-426-3683, is classified within Federal Supply Class 6520 (Dental Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: SE.
| Parameter | Value |
|---|---|
| NSN | 6520-01-426-3683 |
| Item Name | Operating and Treatment Unit,den |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Status | ACTIVE |
| General Characteristics Item Description | LIGHTWEIGHT; SELF-CONTAINED PORTABLE DENTAL SYSTEM WITH AN AIR COMPRESOR AND CARRYING/STORAGE CASE(S); TOTAL WEIGHT OF THE SYSTEM WILL NOT EXCEED 100 LBS. FOR A SINGLE MODULE (1 CASE) AND 140 LBS. FOR TWO MODULES (2 CASES INCLUDING ALL ACCESSORIES AND CASE(S); THE SYSTEM HAS INDIVIDUAL CONTROLS FOR COOLANT WATER AND COOLANT AIR AND THE REGULATOR IS ADJUSTABLE FROM 30 TO 50 PSI; ELECTRICAL: 120/240 VAC, 50/60 HZ VAC |
| Accessory Components and Quantity | FIBEROPTIC HANDPIECE LIGHTING SYSTEM NSN 6520-01-387-1883, 1 EA; AUTOCLAVABLE 3-WAY SYRINGE, 1 EA; HIGH VOLUME EVACUATOR, 1 EA; LOW VOLUME EVACUATOR (SALIVA EJECTOR), 1 EA; INSTRUMENT TRAY (8 X 12 IN.), 1 EA; 500 ML CAP. WATER RESERVOIR, 1 EA; 1 LITER CAP. WASTE RECEPTACLE, 1 EA; AIR PRESSURE REGULATOR, 1 EA; WATER OUTLET PARTICULATE FILTER, 1 EA; EQUIPMENT/INSTRUMENT HOLDER, 5 EA (OR 1 RACK WITH 5 INTREGAL HOLDERS); AND PROVISIONS TO OPERATE 2 HANDPIECES ( 1 LOW & 1 HIGH SPEED) OR 1 HANDPIECE AND ONE OTHER PIECE OF EQUIPMENT SUCH AS A SONIC SCALER, IN |
| Functional Description | FOR USE IN DENTAL THERAPY UNDER FIELD CONDITIONS. DOES NOT INCLUDE DENTAL HANDPIECES. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | SE |
| Reference | Meaning |
|---|---|
| 95-0946 | 3/1 Design control — primary reference U.S. Government activity |
NSN 6520-01-426-3683 is a Operating and Treatment Unit,den, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
Key specifications for 6520-01-426-3683: General Characteristics Item Description: LIGHTWEIGHT; SELF-CONTAINED PORTABLE DENTAL SYSTEM WITH AN AIR COMPRESOR AND CARRYING/STORAGE CASE(S); TOTAL WEIGHT OF THE SYSTEM WILL NOT EXCEED 100 LBS. FOR A SINGLE MODULE (1 CASE) AND 140 LBS. FOR TWO MODULES (2 CASES INCLUDING ALL ACCESSORIES AND CASE(S); THE SYSTEM HAS INDIVIDUAL CONTROLS FOR COOLANT WATER AND COOLANT AIR AND THE REGULATOR IS ADJUSTABLE FROM 30 TO 50 PSI; ELECTRICAL: 120/240 VAC, 50/60 HZ VAC; Accessory Components and Quantity: FIBEROPTIC HANDPIECE LIGHTING SYSTEM NSN 6520-01-387-1883, 1 EA; AUTOCLAVABLE 3-WAY SYRINGE, 1 EA; HIGH VOLUME EVACUATOR, 1 EA; LOW VOLUME EVACUATOR (SALIVA EJECTOR), 1 EA; INSTRUMENT TRAY (8 X 12 IN.), 1 EA; 500 ML CAP. WATER RESERVOIR, 1 EA; 1 LITER CAP. WASTE RECEPTACLE, 1 EA; AIR PRESSURE REGULATOR, 1 EA; WATER OUTLET PARTICULATE FILTER, 1 EA; EQUIPMENT/INSTRUMENT HOLDER, 5 EA (OR 1 RACK WITH 5 INTREGAL HOLDERS); AND PROVISIONS TO OPERATE 2 HANDPIECES ( 1 LOW & 1 HIGH SPEED) OR 1 HANDPIECE AND ONE OTHER PIECE OF EQUIPMENT SUCH AS A SONIC SCALER, IN; Special Features: COMMAND AIR PORTABLE DENTAL UNIT AND COMPRESSOR; THE HANDPIECE, 3-WAY SYRINGE, AND HIGH AND LOW EVACUATOR TUBING IS STRAIGHT AND 5 FEET IN LENGTH; THE FOOT CONTROL TUBING IS STRAIGHT AND 6 FEET IN LENGTH; ALSO USED IN OPERATING LUBRICATION FREE HIGH SPEED HANDPIECES FT; Functional Description: FOR USE IN DENTAL THERAPY UNDER FIELD CONDITIONS. DOES NOT INCLUDE DENTAL HANDPIECES.. 3 specifications are 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.