The Timer,interval, cataloged under National Stock Number 6645-01-307-8203, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Total Medical Systems Inc Dba Total Care. Government technical data includes 1 specification, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-307-8203 |
| Primary Part Number | 72147 |
| Item Name | Timer,interval |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Total Medical Systems Inc Dba Total Care |
| Status | ACTIVE |
| Purchase Description Identification | IR789-72147 |
| 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 |
|---|---|
| 72147 PRIMARY | Total Medical Systems Inc Dba Total Care (USA) |
NSN 6645-01-307-8203 is a Timer,interval, manufactured by Total Medical Systems Inc Dba Total Care, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-307-8203 has 1 manufacturer part number on file: 72147 (Total Medical Systems Inc Dba Total Care).
1 possible match (shared part number, not a government interchangeability claim): 6850-01-696-4288. Verify interchangeability with system specifications before substitution.
Key specifications for 72147: Purchase Description Identification: IR789-72147; Special Features: FOR USE ON ULTRASONIC GENERATOR AND MUSCLE STIMULATOR; MDL. RICH-MAR IV AND RICH-MAR III G; Part Name Assigned by Controlling Agency: TIMER INTERVAL U/O MDL RICH-MAR IV & III E.I. NSN 6530011197682; End Item Identification: 6530-01-119-7682. 1 specification is 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.