The Timer Module,curing, cataloged under National Stock Number 6645-01-421-5667, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Dentsply Sirona Inc Div Dentsply Prosthetics Division (aka Trubyte). The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-421-5667 |
| Primary Part Number | 6390172 |
| Item Name | Timer Module,curing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Dentsply Sirona Inc Div Dentsply Prosthetics Division (aka Trubyte) |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6390172 PRIMARY | Dentsply Sirona Inc Div Dentsply Prosthetics Division (aka Trubyte) (USA) |
| Reference | Meaning |
|---|---|
| NAVY 1993 3305 | 5/1 Secondary reference U.S. Government activity |
| LLH407899 | 5/1 Secondary reference Naval Medical Material Support Command Detachment |
NSN 6645-01-421-5667 is a Timer Module,curing, manufactured by Dentsply Sirona Inc Div Dentsply Prosthetics Division (aka Trubyte), classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-421-5667 has 1 manufacturer part number on file: 6390172 (Dentsply Sirona Inc Div Dentsply Prosthetics Division (aka Trubyte)).
Key specifications for 6390172: Part Name Assigned by Controlling Agency: TIMER MODULE CURING. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.