The Cassette,instrument,dental, cataloged under National Stock Number 6520-01-507-1822, 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. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: EA.
| Parameter | Value |
|---|---|
| NSN | 6520-01-507-1822 |
| Primary Part Number | IM4168 |
| Item Name | Cassette,instrument,dental |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Hu-Friedy Mfg. Co., Llc |
| 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 |
|---|---|
| IM4168 PRIMARY | Hu-Friedy Mfg. Co., Llc (USA) |
| Reference | Meaning |
|---|---|
| 03-0495 | 5/1 Secondary reference U.S. Government activity |
| 6520NCM030445 | 5/1 Secondary reference Defense Medical Standardization Board |
| 227781 | 5/9 Secondary reference Hu-Friedy Mfg. Co., Llc |
NSN 6520-01-507-1822 is a Cassette,instrument,dental, manufactured by Hu-Friedy Mfg. Co., Llc, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-507-1822 has 1 manufacturer part number on file: IM4168 (Hu-Friedy Mfg. Co., Llc).
1 possible match (shared part number, not a government interchangeability claim): 1010-01-558-6668. Verify interchangeability with system specifications before substitution.
Key specifications for IM4168: Overall Height: 1.250 INCHES NOMINAL IN; Overall Length: 11.000 INCHES NOMINAL IN; Overall Width: 8.000 INCHES NOMINAL IN; Special Features: DENTAL CASSETTE; LARGE SIZE; HOLDS UP TO 16 INSTRUMENTS AND/OR ACCESSORIES FOR DENTAL PROCEDURES AND STERILIZATION; READY FOR USE OR STORAGE. 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.