The Ammeter, cataloged under National Stock Number 6625-00-668-9404, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Custom Metering Company Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, 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 | 6625-00-668-9404 |
| Primary Part Number | 741-179861 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Custom Metering Company Inc |
| Status | ACTIVE |
| Distance Between Mounting Facility Centers | 1.406 INCHES NOMINAL IN |
| Movement Type | MOVING IRON VANE |
| Sensitivity Rating | 39.0 MILLIVOLTS |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Movement Suspension Method | TAUT BAND |
| Power Source | EXTERNAL |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | TWO HOLE/STUD |
| Installation Design | PANEL |
| Color | UNABLE TO DECODE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Indicator Type | DIAL W/POINTER |
| Panel for Which Designed | MAGNETIC OR NONMAGNETIC |
| Meter Body Width Behind Mounting Flange | 3.700 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Meter Depth Behind Mounting Flange | 1.630 INCHES NOMINAL IN |
| Environmental Protection | DUST RESISTANT |
| Style Designator | RECTANGULAR FLUSH MTG |
| Material | PLASTIC |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Circuit Construction Type | NONELECTRONIC |
| Meter Body Height Behind Mounting Flange | 3.950 INCHES NOMINAL IN |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Mounting Stud Diameter | 0.250 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Mounting Stud Length | 3.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| Successor | 5999-01-071-6708 (405332) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | JN |
| Part Number | Manufacturer |
|---|---|
| 741 | Metermaster Inc Metermod Div (USA) |
| 741-179861 PRIMARY | Custom Metering Company Inc (USA) |
| 741 | Custom Metering Company Inc (USA) |
| 741 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 179861 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 179861 | Custom Metering Company Inc (USA) |
| 179861 | Metermaster Inc Metermod Div (USA) |
| 741-179861 | Metermaster Inc Metermod Div (USA) |
NSN 6625-00-668-9404 is a Ammeter, manufactured by Custom Metering Company Inc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-668-9404 has 8 cross-referenced part numbers: 741 (Metermaster Inc Metermod Div), 741-179861 (Custom Metering Company Inc), 741 (Custom Metering Company Inc), 741 (Solartron Electronics Inc Weston Instruments Div), 179861 (Solartron Electronics Inc Weston Instruments Div) and 3 more.
There are 10 known substitutes for 6625-00-668-9404: 6625-00-229-1927, 6625-00-648-9511, 6625-00-649-4806 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 741-179861: Distance Between Mounting Facility Centers: 1.406 INCHES NOMINAL IN; Movement Type: MOVING IRON VANE; Sensitivity Rating: 39.0 MILLIVOLTS; Overall Length: 1.817 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.