The Meter,time Totalizing, cataloged under National Stock Number 6645-01-378-1175, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-378-1175 |
| Primary Part Number | M3971/2-10 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Voltage Rating | 120.0 VOLTS NOMINAL |
| Unit Type | MOUNTED |
| Mounting Type | PANEL |
| Movement Type | ELECTRICAL |
| Hermetic Protection | NOT PROVIDED |
| Current Type | AC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M3971/2-10 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 20001 | Honeywell International Inc. Dba Honeyweel Sensing & Controls (USA) |
| 779536-201 | Dynapar Corp Div Specialty Product Technologies (USA) |
| M3971/2-12 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-3971 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 20001 | Hobbs Corp (USA) |
| 20001 HOBBS 74400 | Frontier Electronic Systems Corp (USA) |
NSN 6645-01-378-1175 is a Meter,time Totalizing, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6645 (No Item Name Available). Status: active.
NSN 6645-01-378-1175 has 7 cross-referenced part numbers: M3971/2-10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20001 (Honeywell International Inc. Dba Honeyweel Sensing & Controls), 779536-201 (Dynapar Corp Div Specialty Product Technologies), M3971/2-12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-3971 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.
There are 6 known substitutes for 6645-01-378-1175: 6645-00-089-8842, 6645-00-864-6794, 6645-00-880-4893 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for M3971/2-10: End Item Identification: FE BASIC CONVERT; Voltage Rating: 120.0 VOLTS NOMINAL; Unit Type: MOUNTED; Mounting Type: PANEL. 7 total characteristics are documented in the Federal Logistics Information System.