The Bur,dental,excavating, cataloged under National Stock Number 6520-01-221-9083, 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. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6520-01-221-9083 |
| Primary Part Number | 314605 |
| Item Name | Bur,dental,excavating |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Dentsply Sirona Inc |
| 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 | PG |
| Part Number | Manufacturer |
|---|---|
| 4 FG SURG TC | Beavers Dental Divisiondiv Sybron Canada Limiteddba Beavers Dental Division Div Sybron Canada Limited (CAN) |
| 314605 PRIMARY | Dentsply Sirona Inc (USA) |
| FGOS 4 | Beavers Dental Divisiondiv Sybron Canada Limiteddba Beavers Dental Division Div Sybron Canada Limited (CAN) |
| 00400189 | Beavers Dental Divisiondiv Sybron Canada Limiteddba Beavers Dental Division Div Sybron Canada Limited (CAN) |
| Reference | Meaning |
|---|---|
| 4 | 5/9 Secondary reference Beavers Dental Divisiondiv Sybron Canada Limiteddba Beavers Dental Division Div Sybron Canada Limited |
| FGOS 4 | 5/9 Secondary reference Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division |
NSN 6520-01-221-9083 is a Bur,dental,excavating, manufactured by Dentsply Sirona Inc, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-221-9083 has 4 manufacturer part numbers on file: 4 FG SURG TC (Beavers Dental Divisiondiv Sybron Canada Limiteddba Beavers Dental Division Div Sybron Canada Limited), 314605 (Dentsply Sirona Inc), FGOS 4 (Beavers Dental Divisiondiv Sybron Canada Limiteddba Beavers Dental Division Div Sybron Canada Limited), 00400189 (Beavers Dental Divisiondiv Sybron Canada Limiteddba Beavers Dental Division Div Sybron Canada Limited).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-681-0836. Verify interchangeability with system specifications before substitution.
Key specifications for 314605: Special Features: FRICTION GRIP, TUNGSTEN CARBIDE, NO.4;EXTRA LONG,0.984 IN.; ROUND; UNITQTY 10 IN; Part Name Assigned by Controlling Agency: BUR DENTAL EXCAVATING ANGLE TUNGSTEN CARBIDE HEAD SZ4 X-LONG 10S. 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.