The Meter,time Totalizing, cataloged under National Stock Number 6645-00-846-9206, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Instruments and Flight Research, Inc.. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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 | 6645-00-846-9206 |
| Primary Part Number | 531248-1 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | Instruments and Flight Research, Inc. |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Current Type | AC |
| Mounting Type | PANEL |
| Voltage Rating | 115.0 VOLTS NOMINAL |
| Mounting Method | FLUSH |
| Background Color | WHITE |
| Mounting Flange Diameter | 3.500 INCHES NOMINAL IN |
| Maximum Measurement | 9999.50 |
| Reset Feature | NOT PROVIDED |
| Marking Color | BLACK NUMERALS |
| Smallest Increment Indicated | 0.10 |
| Mounting Configuration | THREE 0.150 IN. DIA MTG HOLES ON 1.5 IN. RADIUS SPACED 120 DEG APART IN |
| Body Depth | 2.843 INCHES NOMINAL IN |
| Hermetic Protection | PROVIDED |
| Indicator Type | DRUM REGISTER |
| Unit Type | MOUNTED |
| Operating Frequency | 60.0 HERTZ NOMINAL |
| Material | ALUMINUM OR STEEL CASE |
| Electrical Movement Type | SYNCHRONOUS MOTOR |
| Movement Type | ELECTRICAL |
| Measurement Unit | HOURS |
| Terminal Type | SOLDER LUG |
| Body Diameter | 2.546 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6645-00-846-9206 is a Meter,time Totalizing, manufactured by Instruments and Flight Research, Inc., classified under FSC 6645 (No Item Name Available). Status: active.
NSN 6645-00-846-9206 has 2 cross-referenced part numbers: 634E (Cramer Co Division of Chestnut Group Inc), 531248-1 (Instruments and Flight Research, Inc.).
There are 7 known substitutes for 6645-00-846-9206: 4820-00-062-4139, 4820-00-813-8518, 4820-00-840-2615 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 531248-1: Terminal Quantity: 2; Current Type: AC; Mounting Type: PANEL; Voltage Rating: 115.0 VOLTS NOMINAL. 23 total characteristics are documented in the Federal Logistics Information System.