The Sealant,refill Kit,dental, cataloged under National Stock Number 6520-01-233-1891, 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 Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: PG.
| Parameter | Value |
|---|---|
| NSN | 6520-01-233-1891 |
| Primary Part Number | 643201 |
| Item Name | Sealant,refill Kit,dental |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division |
| Status | ACTIVE |
| General Characteristics Item Description | LIGHT-CURING AND FISSURE SEALANT; FILLED TO 50 PERCENT BY WEIGHT WITH RADIOPAQUE BARIUM GLASS; CONTAINS 30 PRISMA-SHIELD COMPULES AND 100 DISPOSABLE APPLICATOR TIPS |
| 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 | PG |
| Part Number | Manufacturer |
|---|---|
| 643201 PRIMARY | Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division (USA) |
| Reference | Meaning |
|---|---|
| 88-8-1-4 LT | 5/1 Secondary reference Air Force Medical Logistics Office |
| 222-2677 | 5/9 Secondary reference Schein Henry Inc |
| 222-2677 | 5/9 Secondary reference Henry Schein, Inc. |
NSN 6520-01-233-1891 is a Sealant,refill Kit,dental, manufactured by Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-233-1891 has 1 manufacturer part number on file: 643201 (Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-442-7989. Verify interchangeability with system specifications before substitution.
Key specifications for 643201: General Characteristics Item Description: LIGHT-CURING AND FISSURE SEALANT; FILLED TO 50 PERCENT BY WEIGHT WITH RADIOPAQUE BARIUM GLASS; CONTAINS 30 PRISMA-SHIELD COMPULES AND 100 DISPOSABLE APPLICATOR TIPS; Part Name Assigned by Controlling Agency: SEALANT REFILL KIT DEN 30 PRISMA-SHIELD COMPULES 100 DISP 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.