The Meter,time Totalizing, cataloged under National Stock Number 6645-01-087-7345, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Curtis Instruments, Inc. Dba Curtis Pmc Division. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-087-7345 |
| Primary Part Number | 620NT 15293001 4VDC 1000HRS |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Curtis Instruments, Inc. Dba Curtis Pmc Division |
| Status | ACTIVE |
| Indicator Type | SCALE |
| Terminal Quantity | 3 |
| Movement Type | ELECTROCHEMICAL |
| Current Type | DC |
| Terminal Type | SOLDER |
| Mounting Method | SEMIFLUSH |
| Scale Smallest Increment | 250.00 HOURS |
| Scale Range | +0.0 TO 10000.0 HOUR |
| Hermetic Protection | NOT PROVIDED |
| Mounting Flange Width | 0.340 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Unit Type | MOUNTED |
| Reset Feature | NOT PROVIDED |
| Mounting Configuration | TWO 0.125 IN. DIA COUNTERSINK MTG HOLES SPACED 1.219 IN. C TO C IN |
| Flange Height | 1.420 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN |
| Body Depth | 0.180 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Mounting Type | PANEL |
| Voltage Rating | 5.0 VOLTS NOMINAL |
| 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 |
|---|---|
| 620NT 15293001 4VDC 1000HRS PRIMARY | Curtis Instruments, Inc. Dba Curtis Pmc Division (USA) |
| Reference | Meaning |
|---|---|
| SM-B-765482 | 7/2 Vendor item drawing reference U.S. Government activity |
| 620-NT5VDC-10000 | 5/9 Secondary reference Curtis Instruments, Inc. Dba Curtis Pmc Division |
NSN 6645-01-087-7345 is a Meter,time Totalizing, manufactured by Curtis Instruments, Inc. Dba Curtis Pmc Division, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-087-7345 has 1 manufacturer part number on file: 620NT 15293001 4VDC 1000HRS (Curtis Instruments, Inc. Dba Curtis Pmc Division).
Key specifications for 620NT 15293001 4VDC 1000HRS: Indicator Type: SCALE; Terminal Quantity: 3; Movement Type: ELECTROCHEMICAL; Current Type: DC. 17 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.