The Ammeter, cataloged under National Stock Number 6625-00-669-4839, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 29 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-669-4839 |
| Primary Part Number | 173258 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Indicator Type | DIAL W/POINTER |
| Environmental Protection | DUST RESISTANT |
| Scale Division Quantity | 40 SINGLE INDICATOR SINGLE RANGE |
| Dial Scale Marking Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Installation Design | PANEL |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Panel for Which Designed | NONMAGNETIC |
| Color | UNABLE TO DECODE |
| Movement Type | MOVING IRON VANE |
| FSC Application Data | TEST SET,ELECTRONIC EQUIPMENT |
| Material | STEEL |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Surface Treatment | PAINT |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Features Provided | ZERO ADJUSTER |
| Circuit Construction Type | NONELECTRONIC |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 4.000 INCHES NOMINAL IN |
| Measurement Range | +0.0 TO 2.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Scale Selection Method | TERMINAL |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | DC |
| Power Source | EXTERNAL |
| Overall Diameter | 4.375 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Style Designator | ROUND SURFACE MTG |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6625-00-669-4839 is a Ammeter, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-669-4839 has 2 cross-referenced part numbers: M0D643 (Solartron Electronics Inc Weston Instruments Div), 173258 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There is 1 known substitute for 6625-00-669-4839: 5306-01-502-4414. Verify interchangeability with system specifications before substitution.
Key specifications for 173258: Indicator Type: DIAL W/POINTER; Environmental Protection: DUST RESISTANT; Scale Division Quantity: 40 SINGLE INDICATOR SINGLE RANGE; Dial Scale Marking Color: WHITE SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.