The Operating and Treatment Unit,den, cataloged under National Stock Number 6520-01-333-5961, 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 Fort Defiance Industries Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6520-01-333-5961 |
| Primary Part Number | FUS336 |
| Item Name | Operating and Treatment Unit,den |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Fort Defiance Industries Llc |
| Status | ACTIVE |
| Unit of Issue Cube | 2.80 CUBIC FEET |
| Exterior Container Weight | 72.00 POUNDS LBS |
| General Characteristics Item Description | PORTABLE (**), AIR OPERATED WITH CARRYING CASE. C/O: TRIPLEX SYRINGE, HIGH VELOCITY ORAL EVACUATOR SYSTEM, SALIVA EJECTOR, WATER SUPPLY TANK, WASTE COLLECTOR TANK, FOOT CONTROLLER, THREE ORAL EVACUATOR TIPS, ONE DRY CUSPIDOR, TWO COILED HANDPIECE HOSES, ONE HIGH SPEED CONTRA-ANGLE HANDPIECE, 6520-01-386-8295, ONE LOW SPEED STRAIGHT HANDPIECE, 6520-00-138-2308, ONE ROTATING QUICK DISCONNECT NON-FIBEROPTIC HANDPIECE COUPLER, 6520-01-387-0030, A CABINET TOP CAPABLE OF NESTING A REMOVABLE TRAY, 6530-00-926-9170 OR 6530-00-794-0600, AND ONE ACCESSORY KIT. USED WITH COMPRESSOR-DEHYDRATOR 6520-00-129-1246 AND ULTRASONIC PROPHYLAXIS UNIT 6520-01-142-8228. FOR RESTORATIVE DENTISTRY IN THE FIELD. FOR SUCTION APPARATUS TIP ORDER: 6520-01-131-7922, 6520-01-131-7924, OR 6520-01-185-2532. A |
| 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 |
|---|---|
| FUS336 PRIMARY | Fort Defiance Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 030657 W/PROVISIONING | 5/1 Secondary reference Fort Defiance Industries Llc |
| 030657 | 3/1 Design control — primary reference Fort Defiance Industries Llc |
| M0-009 | 5/1 Secondary reference U.S. Government activity |
NSN 6520-01-333-5961 is a Operating and Treatment Unit,den, manufactured by Fort Defiance Industries Llc, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-333-5961 has 1 manufacturer part number on file: FUS336 (Fort Defiance Industries Llc).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-509-0683. Verify interchangeability with system specifications before substitution.
Key specifications for FUS336: Unit of Issue Cube: 2.80 CUBIC FEET; Exterior Container Weight: 72.00 POUNDS LBS; General Characteristics Item Description: PORTABLE (**), AIR OPERATED WITH CARRYING CASE. C/O: TRIPLEX SYRINGE, HIGH VELOCITY ORAL EVACUATOR SYSTEM, SALIVA EJECTOR, WATER SUPPLY TANK, WASTE COLLECTOR TANK, FOOT CONTROLLER, THREE ORAL EVACUATOR TIPS, ONE DRY CUSPIDOR, TWO COILED HANDPIECE HOSES, ONE HIGH SPEED CONTRA-ANGLE HANDPIECE, 6520-01-386-8295, ONE LOW SPEED STRAIGHT HANDPIECE, 6520-00-138-2308, ONE ROTATING QUICK DISCONNECT NON-FIBEROPTIC HANDPIECE COUPLER, 6520-01-387-0030, A CABINET TOP CAPABLE OF NESTING A REMOVABLE TRAY, 6530-00-926-9170 OR 6530-00-794-0600, AND ONE ACCESSORY KIT. USED WITH COMPRESSOR-DEHYDRATOR 6520-00-129-1246 AND ULTRASONIC PROPHYLAXIS UNIT 6520-01-142-8228. FOR RESTORATIVE DENTISTRY IN THE FIELD. FOR SUCTION APPARATUS TIP ORDER: 6520-01-131-7922, 6520-01-131-7924, OR 6520-01-185-2532. A; Special Features: (**) THIS ITEM IS PORTABLE UNTIL IT IS UNPACKED AND SET UP, THEN IT CAN BE EITHER STATIONARY OR MOBILE (FOUR BALL CASTERS ARE SUPPLY WITH THIS ITEM).. 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.