The Base,blocking,dental, cataloged under National Stock Number 6520-01-337-3155, 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 Dental Ventures of America, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6520-01-337-3155 |
| Primary Part Number | ZA/ZAB20-01 |
| Item Name | Base,blocking,dental |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Dental Ventures of America, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | BASE W/2 TIPS; MANIPULATES MATERIAL WHICH HARDENS UPON APPLICATION OF ACCELERATOR |
| 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 |
|---|---|
| 280-6271 | Patterson Dental Supply, Inc. Dba Patterson Dental 728 Div Patterson Dental (USA) |
| ZA/ZAB20-01 PRIMARY | Dental Ventures of America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 952-3262 | 5/9 Secondary reference Darby-Kent Institutional Supply Co Inc |
| ZAPIT BASE | 5/9 Secondary reference Dental Ventures of America, Inc. |
| 91-3-11-22 MSP | 5/1 Secondary reference Air Force Medical Logistics Office |
| F91B183 | 5/1 Secondary reference Air Force Medical Logistics Office |
NSN 6520-01-337-3155 is a Base,blocking,dental, manufactured by Dental Ventures of America, Inc., classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-337-3155 has 2 manufacturer part numbers on file: 280-6271 (Patterson Dental Supply, Inc. Dba Patterson Dental 728 Div Patterson Dental), ZA/ZAB20-01 (Dental Ventures of America, Inc.).
Key specifications for ZA/ZAB20-01: General Characteristics Item Description: BASE W/2 TIPS; MANIPULATES MATERIAL WHICH HARDENS UPON APPLICATION OF ACCELERATOR; Part Name Assigned by Controlling Agency: BASE BLOCKING DENTAL BASE W/2 TIPS. 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.