The Ammeter, cataloged under National Stock Number 6625-00-889-1878, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-889-1878 |
| Primary Part Number | MM2 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Jewell Instruments Llc |
| Status | ACTIVE |
| Movement Type | MOVING IRON VANE |
| Movement Suspension Method | TAUT BAND |
| Circuit Construction Type | NONELECTRONIC |
| Installation Design | PANEL |
| FSC Application Data | TEST SET ELECTRONIC |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Panel for Which Designed | NONMAGNETIC |
| Style Designator | FAN SHAPE FLUSH MTG |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Color | UNABLE TO DECODE |
| Scale Division Quantity | 60 SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.015 INCHES NOMINAL IN |
| Material | PLASTIC |
| Environmental Protection | DUSTPROOF |
| Mounting Stud Length | 0.500 INCHES NOMINAL IN |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Meter Body Diameter Behind Mounting Flange | 2.187 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Indicator Type | DIAL W/POINTER |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | -20.0 TO 100.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Scale Selection Method | TERMINAL |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | DC |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MM2 PRIMARY | Jewell Instruments Llc (USA) |
NSN 6625-00-889-1878 is a Ammeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-889-1878 has 1 cross-referenced part number: MM2 (Jewell Instruments Llc).
There are 11 known substitutes for 6625-00-889-1878: 6625-00-051-9015, 6625-00-930-3826, 6625-00-944-7270 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for MM2: Movement Type: MOVING IRON VANE; Movement Suspension Method: TAUT BAND; Overall Length: 1.390 INCHES NOMINAL IN; Circuit Construction Type: NONELECTRONIC. 30 total characteristics are documented in the Federal Logistics Information System.