The Calcium Hydroxide Paste,dental, cataloged under National Stock Number 6520-01-686-3975, 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 Ultradent Products Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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: KT.
| Parameter | Value |
|---|---|
| NSN | 6520-01-686-3975 |
| Primary Part Number | 5144 |
| Item Name | Calcium Hydroxide Paste,dental |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Ultradent Products Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Unit of Issue | KT |
| Part Number | Manufacturer |
|---|---|
| 5144 PRIMARY | Ultradent Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 1027 | 5/9 Secondary reference Ultradent Products Inc |
| 6520NCM195884 | 5/1 Secondary reference Defense Medical Standardization Board |
| 1565987 | 5/1 Secondary reference U.S. Government activity |
NSN 6520-01-686-3975 is a Calcium Hydroxide Paste,dental, manufactured by Ultradent Products Inc, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-686-3975 has 1 manufacturer part number on file: 5144 (Ultradent Products Inc).
Key specifications for 5144: Special Features: CALCIUM HYDROXIDE 1.2ML SYRINGES; ULTRACAL XS KIT. RADIOPAQUE; ANTI-BACTERIAL AGENT FOR ENDODONTIC TREATMENT DRESSING; HIGH PH LEVEL (12.5); CONTAINS VARIETY 0F 4 1.2 ML SYRINGES AND 20 ASSORTED 29GA NAVITIP TIPS (5 OF EACH LENGH); KEEP AT ROOM TEMPERATURE; MATERIEL IS CORROSIVE.; Part Name Assigned by Controlling Agency: CALCIUM HYDROXIDE 1.2ML SYRINGES; ULTRACAL XS KIT. 0 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.