The Meter,time Totalizing, cataloged under National Stock Number 6645-00-089-8842, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-00-089-8842 |
| Primary Part Number | M3971/1-5-S |
| 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 |
| Indicator Type | DRUM REGISTER |
| Maximum Measurement | 9999.90 |
| Background Color | BLACK BACKGROUND ON HR WHEELS,WHITE BACKGROUND ON TENTHS WHEEL |
| Smallest Increment Indicated | 0.10 |
| Body Depth | 3.000 INCHES MAXIMUM IN |
| Body Diameter | 2.210 INCHES MAXIMUM IN |
| Hermetic Protection | NOT PROVIDED |
| Material | ALUMINUM OR STEEL OR PLASTIC CASE |
| Reset Feature | NOT PROVIDED |
| Mounting Configuration | THREE 0.150 IN. DIA MTG HOLES ON 1.265 IN. RADIUS SPACED 120 DEG APART IN |
| Nondefinitive Spec/std Data | B GRADE AND I TYPE |
| Marking Color | WHITE NUMERALS FOR HOURS,BLACK NUMERALS FOR TENTHS |
| Measurement Unit | HOURS |
| Terminal Quantity | 2 |
| Terminal Type | SOLDER LUG OR STUD |
| Mounting Flange Diameter | 2.875 INCHES MAXIMUM IN |
| Mounting Method | FLUSH |
| Movement Type | ELECTRICAL |
| Voltage Rating | 4.0 VOLTS MINIMUM AND 40.0 VOLTS MAXIMUM |
| Unit Type | MOUNTED |
| Current Type | DC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M3971/1-5-S | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M3971/1-5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-3971E | 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 |
| 73-0507 | Department of Defense Project Manager-Mobile Electric Power (USA) |
| 0109-0250 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| 119379 | Hyster-Yale Group, Inc. (USA) |
| C1JZ10951A | Ford Motor Company (USA) |
| 119379 | Hyster (europe) Ltd (GBR) |
| PC5120376 | Power Components (deutschland) Gmbh (DEU) |
| 771 | Maxima Technologies & Systems Llc (USA) |
NSN 6645-00-089-8842 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 6645-00-089-8842 has 11 cross-referenced part numbers: M3971/1-5-S (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M3971/1-5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-3971E (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), 73-0507 (Department of Defense Project Manager-Mobile Electric Power) and 6 more.
There are 7 known substitutes for 6645-00-089-8842: 5910-00-686-9136, 3040-00-719-5344, 6645-00-864-6794 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for M3971/1-5-S: Indicator Type: DRUM REGISTER; Maximum Measurement: 9999.90; Background Color: BLACK BACKGROUND ON HR WHEELS,WHITE BACKGROUND ON TENTHS WHEEL; Smallest Increment Indicated: 0.10. 21 total characteristics are documented in the Federal Logistics Information System.