The Coupler,dental Handpiece, cataloged under National Stock Number 6520-01-442-9773, 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 Kavo Dental Technologies Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6520-01-442-9773 |
| Primary Part Number | 553-1550 |
| Item Name | Coupler,dental Handpiece |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Kavo Dental Technologies Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 553-1550 PRIMARY | Kavo Dental Technologies Llc (USA) |
| Reference | Meaning |
|---|---|
| 465LRN | 3/1 Design control — primary reference Kavo Dental Technologies Llc |
| 553-1380 | 5/9 Secondary reference Kavo Dental Technologies Llc |
| 96-0808 | 5/1 Secondary reference U.S. Government activity |
NSN 6520-01-442-9773 is a Coupler,dental Handpiece, manufactured by Kavo Dental Technologies Llc, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-442-9773 has 1 manufacturer part number on file: 553-1550 (Kavo Dental Technologies Llc).
Key specifications for 553-1550: Special Features: MULTIFLEX LUX COUPLER; FOWARD DIRECTION WITH SPRAY REGULATOR AND ANTIRETRACTION; INCLUDES SPARE BULB; USE WITH LCM ILLUMINATOR AND TUBINGS.; Part Name Assigned by Controlling Agency: COUPLER DENTAL HANDPIECE MULTIFLEX LUX FORWARD DIRECTION W/SPRAY. 0 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.