The Meter,time Totalizing, cataloged under National Stock Number 6645-00-720-3953, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is The Boeing Company Div Legacy Boeing Hb1. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-00-720-3953 |
| Primary Part Number | 456-0061-001 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | The Boeing Company Div Legacy Boeing Hb1 |
| Status | ACTIVE |
| Maximum Measurement | 9999.90 |
| Electrical Movement Type | SYNCHRONOUS MOTOR |
| Indicator Type | DRUM REGISTER |
| Voltage Rating | 115.0 VOLTS NOMINAL |
| Marking Color | WHITE NUMERALS |
| Body Depth | 2.625 INCHES NOMINAL IN |
| Material | ALUMINUM OR STEEL CASE |
| Hermetic Protection | NOT PROVIDED |
| Mounting Configuration | FOUR 0.140 IN. DIA MTG HOLES ON 2.250 IN. BY 2.250 IN. MTG CENTERS IN |
| Reset Feature | PROVIDED |
| Operating Frequency | 60.0 HERTZ NOMINAL |
| Measurement Unit | SECONDS |
| Smallest Increment Indicated | 0.10 |
| Unit Type | MOUNTED |
| Background Color | BLACK |
| Flange Height | 2.842 INCHES NOMINAL IN |
| Mounting Method | FLUSH |
| Movement Type | ELECTRICAL |
| Body Diameter | 2.500 INCHES NOMINAL IN |
| Mounting Flange Width | 2.842 INCHES NOMINAL IN |
| Mounting Type | PANEL |
| Terminal Quantity | 2 |
| Terminal Type | SCREW |
| Current Type | AC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 456-0061-001 | The Boeing Company Div Legacy Boeing Hb1 (USA) |
| 10080 | Cramer Co Division of Chestnut Group Inc (USA) |
| 10080 | Newark Electronics Corporation Dba Newark (USA) |
| 633SA08E | Cramer Co Division of Chestnut Group Inc (USA) |
NSN 6645-00-720-3953 is a Meter,time Totalizing, manufactured by The Boeing Company Div Legacy Boeing Hb1, classified under FSC 6645 (No Item Name Available). Status: active.
NSN 6645-00-720-3953 has 4 cross-referenced part numbers: 456-0061-001 (The Boeing Company Div Legacy Boeing Hb1), 10080 (Cramer Co Division of Chestnut Group Inc), 10080 (Newark Electronics Corporation Dba Newark), 633SA08E (Cramer Co Division of Chestnut Group Inc).
There are 12 known substitutes for 6645-00-720-3953: 5133-00-228-1365, 5360-00-246-7612, 2915-00-370-9183 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 456-0061-001: Maximum Measurement: 9999.90; Electrical Movement Type: SYNCHRONOUS MOTOR; Indicator Type: DRUM REGISTER; Voltage Rating: 115.0 VOLTS NOMINAL. 24 total characteristics are documented in the Federal Logistics Information System.