The Ammeter, cataloged under National Stock Number 6625-00-993-3169, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hoyt Electrical Instrument Works, Inc. Dba Hoyt Electrical Instrument Works Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 6625-00-993-3169 |
| Primary Part Number | 668 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Hoyt Electrical Instrument Works, Inc. Dba Hoyt Electrical Instrument Works Inc |
| Status | ACTIVE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.312 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.312 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Meter Depth Behind Mounting Flange | 1.000 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC |
| Style Designator | RECTANGULAR FLUSH MTG |
| Color | UNABLE TO DECODE |
| Measurement Range | -50.0 TO 50.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 1.500 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.312 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.312 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Meter Depth Behind Mounting Flange | 1.000 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 668 PRIMARY | Hoyt Electrical Instrument Works, Inc. Dba Hoyt Electrical Instrument Works Inc (USA) |
NSN 6625-00-993-3169 is a Ammeter, manufactured by Hoyt Electrical Instrument Works, Inc. Dba Hoyt Electrical Instrument Works Inc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-993-3169 has 1 cross-referenced part number: 668 (Hoyt Electrical Instrument Works, Inc. Dba Hoyt Electrical Instrument Works Inc).
There are 12 known substitutes for 6625-00-993-3169: 5330-00-080-2886, 3030-00-104-8797, 5950-00-136-5433 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 668: Overall Height: 1.740 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.312 INCHES NOMINAL IN; Installation Design: PANEL; Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE. 30 total characteristics are documented in the Federal Logistics Information System.