The Vent Tube,ceramic, cataloged under National Stock Number 6520-01-471-8282, 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 Heraeus Kulzer Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6520-01-471-8282 |
| Primary Part Number | 50335957 |
| Item Name | Vent Tube,ceramic |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Heraeus Kulzer 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 |
|---|---|
| 50335957 PRIMARY | Heraeus Kulzer Llc (USA) |
| Reference | Meaning |
|---|---|
| 99-1345 | 5/1 Secondary reference U.S. Government activity |
| ACCU-THERM III | 5/1 Secondary reference Heraeus Kulzer Llc |
NSN 6520-01-471-8282 is a Vent Tube,ceramic, manufactured by Heraeus Kulzer Llc, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-471-8282 has 1 manufacturer part number on file: 50335957 (Heraeus Kulzer Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6520-01-471-8284, 6520-01-471-8294. Verify interchangeability with system specifications before substitution.
Key specifications for 50335957: Special Features: CERAMIC VENT TUBE USED AS A REPLACEMENT-REPAIRABLE ITEM FOR AN ELECTRIC DENTAL LABORATORY BURNOUT FURNACE; CAN BE USED ON ACCU-THERM III 3000 AND 6000 BURNOUT FURNACES; Part Name Assigned by Controlling Agency: VENT TUBE CERAMIC; End Item Identification: FURNACE DENTAL LABORATORY, ELECTRIC; MODEL ACCU-THERM III P/N 335950. 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.