The Ultrasonic Instrument,endodontic, cataloged under National Stock Number 6520-01-537-9995, 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 Benco Dental Supply Co.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: EA.
| Parameter | Value |
|---|---|
| NSN | 6520-01-537-9995 |
| Primary Part Number | 5373-311 |
| Item Name | Ultrasonic Instrument,endodontic |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Benco Dental Supply Co. |
| 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 | EA |
| Part Number | Manufacturer |
|---|---|
| 5373-311 | Benco Dental Supply Co. (USA) |
| Reference | Meaning |
|---|---|
| 931-014 | 3/1 Design control — primary reference Young Ps Acquisitions, Llc Div Plak Smacker |
| KIS-4D | 5/9 Secondary reference Obtura Corporation |
| 05-1249 | 5/1 Secondary reference U.S. Government activity |
| 6520NCM051085 | 5/1 Secondary reference Defense Medical Standardization Board |
| 931-014 | 3/9 Design control — primary reference Obtura Corporation |
NSN 6520-01-537-9995 is a Ultrasonic Instrument,endodontic, manufactured by Benco Dental Supply Co., classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-537-9995 has 1 manufacturer part number on file: 5373-311 (Benco Dental Supply Co.).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-614-3257. Verify interchangeability with system specifications before substitution.
Key specifications for 5373-311: Special Features: ULTRASONIC INSTRUMENT, ENDODONTIC, DIAMOND TIP, KIS 4D (.5MM X 3.0MM CUTTING SURFACE) DBL ANGLED, 110 DEGREE DESIGNED FOR USE ON THE LINGUAL ROOT OF THE MANDIBULAR LEFT MOLAR AND THE DISTAL BUCCAL OF THE MAXILLARY RIGHT MOLAR; DIAMOND COATING PROVIDES A MICRO-ROUGH SURFACE OF THE INNER WALL OF THE RETROPREPARED CAVITY; IMPROVED IRRIGATION PORT; INCREASED SHAFT AND TIP ANGLES MM; Part Name Assigned by Controlling Agency: ULTRASONIC INSTRUMENT FOR ENDODONTICS DIAMOND TIP MICROSURG. 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.