The Ammeter, cataloged under National Stock Number 6625-00-070-4530, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 28 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-070-4530 |
| Primary Part Number | 634-15639 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Mounting Hole Diameter | 0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Pointer Color | BLACK SINGLE INDICATOR ALL RANGES |
| Power Source | EXTERNAL |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Movement Suspension Method | TAUT BAND |
| Features Provided | ZERO ADJUSTER |
| Circuit Construction Type | NONELECTRONIC |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Measurement Range | +0.0 TO 10.0 AMPERES, DC SINGLE INDICATOR FIRST RANGE |
| Scale Graduation Type | LINEAR SINGLE INDICATOR ALL RANGES |
| Scale Division Quantity | 50 SINGLE INDICATOR ALL RANGES |
| Mounting Bolt Circle Diameter | 3.160 INCHES MAXIMUM IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Meter Body Diameter Behind Mounting Flange | 2.670 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | DC |
| Indicator Type | DIAL W/POINTER |
| Style Designator | ROUND FLUSH MTG |
| Overall Diameter | 3.500 INCHES MAXIMUM IN |
| Measurement Range | +0.0 TO 50.0 AMPERES, DC SINGLE INDICATOR SECOND RANGE |
| Surface Treatment | ENAMEL |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Installation Design | PANEL |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR ALL RANGES |
| Meter Depth Behind Mounting Flange | 1.200 INCHES MAXIMUM IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 1.0000 lbs |
| Cube | 0.0653 cu ft |
NSN 6625-00-070-4530 is a Ammeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-070-4530 has 2 cross-referenced part numbers: 634 (Phaostron Instrument and Electronic Company), 634-15639 (Phaostron Instrument and Electronic Company).
There are 12 known substitutes for 6625-00-070-4530: 3110-00-070-5462, 5930-00-132-8275, 4730-00-222-1798 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 634-15639: Mounting Hole Diameter: 0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN; Pointer Color: BLACK SINGLE INDICATOR ALL RANGES; Power Source: EXTERNAL; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S). 30 total characteristics are documented in the Federal Logistics Information System.