The Ammeter, cataloged under National Stock Number 6625-01-030-7189, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-030-7189 |
| Primary Part Number | 2121-17821 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Simpson Electric Company, Inc. |
| Status | ACTIVE |
| Meter Body Diameter Behind Mounting Flange | 1.510 INCHES NOMINAL IN |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.320 INCHES NOMINAL IN |
| Measurement Range | -50.0 TO 50.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Circuit Construction Type | NONELECTRONIC |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Mounting Stud Length | 0.530 INCHES NOMINAL IN |
| Scale Division Quantity | 100 SINGLE INDICATOR SINGLE RANGE |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 0.900 INCHES NOMINAL IN |
| Furnished Items and Quantity | NUT 2; WASHER 2 |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Installation Design | PANEL |
| Supplementary Features | SELF-SHIELDING MOVEMENT |
| Style Designator | RECTANGULAR FLUSH MTG |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Color | UNABLE TO DECODE |
| Power Source | EXTERNAL |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Panel for Which Designed | MAGNETIC |
| Features Provided | ZERO ADJUSTER |
| Circuit Current for Which Designed | DC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | J |
| Weight | 0.3000 lbs |
| Cube | 0.0210 cu ft |
| Part Number | Manufacturer |
|---|---|
| 2121-17821 | Simpson Electric Company, Inc. (USA) |
| 17821 | Simpson Electric Company, Inc. (USA) |
NSN 6625-01-030-7189 is a Ammeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-01-030-7189 has 2 cross-referenced part numbers: 2121-17821 (Simpson Electric Company, Inc.), 17821 (Simpson Electric Company, Inc.).
There are 10 known substitutes for 6625-01-030-7189: 5360-00-352-6197, 2805-00-358-3228, 5330-00-496-0709 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2121-17821: Meter Body Diameter Behind Mounting Flange: 1.510 INCHES NOMINAL IN; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Overall Width: 1.750 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.320 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.