The Curette,periodontal, cataloged under National Stock Number 6520-01-006-3257, 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 Hu-Friedy Mfg. Co., Llc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: EA.
| Parameter | Value |
|---|---|
| NSN | 6520-01-006-3257 |
| Primary Part Number | SG3/4 |
| Item Name | Curette,periodontal |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Hu-Friedy Mfg. Co., Llc |
| Status | ACTIVE |
| Design Designation | GRACEY |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| SG3/4 PRIMARY | Hu-Friedy Mfg. Co., Llc (USA) |
| Reference | Meaning |
|---|---|
| GRACEY 3 AND 4 | 5/9 Secondary reference Hu-Friedy Mfg. Co., Llc |
NSN 6520-01-006-3257 is a Curette,periodontal, manufactured by Hu-Friedy Mfg. Co., Llc, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-006-3257 has 1 manufacturer part number on file: SG3/4 (Hu-Friedy Mfg. Co., Llc).
1 possible match (shared part number, not a government interchangeability claim): 4240-01-567-1481. Verify interchangeability with system specifications before substitution.
Key specifications for SG3/4: Overall Length: 6.250 INCHES MINIMUM AND 6.562 INCHES MAXIMUM IN; Design Designation: GRACEY; Special Features: DOUBLE-ENDED;PATTERN/STYLE IDENTIFICATION:3 AND 4; Part Name Assigned by Controlling Agency: CURETTE PERIODONTAL GRACEY 3&4 CRES 6.250-6.562"L DBLE-ENDED. 2 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.