The Cleaner,ultrasonic,dental Instru, cataloged under National Stock Number 6520-01-180-6964, is classified within Federal Supply Class 6520 (Dental Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is L & R Manufacturing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6520-01-180-6964 |
| Primary Part Number | 311 Q140 W/TIMER/DRAIN |
| Item Name | Cleaner,ultrasonic,dental Instru |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | L & R Manufacturing Company |
| Status | ACTIVE |
| General Characteristics Item Description | SELF-CONTAINED, SOLID-STATE TRANSISTOR UNIT WITH ON-OFF SWITCH, AUTOMATIC TUNING; PILOT LIGHT; ELECTRIC TIMER; 270 WATTS; 63 KHZ; OVERALL DIA. 10 1/2 BY 7 BY 4 IN.; BLACK VINYL; TANK CAPACITY 3 3/8 QUARTS; TANK INTERNAL DIA. 9 3/8 BY 5 3/8 BY 4 IN KHz |
| 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 | EA |
| Part Number | Manufacturer |
|---|---|
| 311 Q140 W/TIMER/DRAIN PRIMARY | L & R Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 309 Q140 W/DRAIN | 5/9 Secondary reference L & R Manufacturing Company |
NSN 6520-01-180-6964 is a Cleaner,ultrasonic,dental Instru, manufactured by L & R Manufacturing Company, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-180-6964 has 1 manufacturer part number on file: 311 Q140 W/TIMER/DRAIN (L & R Manufacturing Company).
Key specifications for 311 Q140 W/TIMER/DRAIN: General Characteristics Item Description: SELF-CONTAINED, SOLID-STATE TRANSISTOR UNIT WITH ON-OFF SWITCH, AUTOMATIC TUNING; PILOT LIGHT; ELECTRIC TIMER; 270 WATTS; 63 KHZ; OVERALL DIA. 10 1/2 BY 7 BY 4 IN.; BLACK VINYL; TANK CAPACITY 3 3/8 QUARTS; TANK INTERNAL DIA. 9 3/8 BY 5 3/8 BY 4 IN KHz; Part Name Assigned by Controlling Agency: CLEANER ULTRASONIC DENTAL INSTRUMENT. 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.