The Ammeter, cataloged under National Stock Number 6625-00-059-7530, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-059-7530 |
| Primary Part Number | 300-10212A |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Circuit Construction Type | NONELECTRONIC |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 2.680 INCHES NOMINAL IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDERLESS LUG |
| Meter Depth Behind Mounting Flange | 1.656 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.138 INCHES NOMINAL IN |
| Panel for Which Designed | NONMAGNETIC |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Features Provided | MAGNETIC SHIELD |
| Scale Division Quantity | 10 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Special Markings | TUNE UP-FS-50VADC |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 50.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Installation Design | PANEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | Y |
| Weight | 1.3000 lbs |
| Cube | 0.0370 cu ft |
| Part Number | Manufacturer |
|---|---|
| 300-10212A PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| Reference | Meaning |
|---|---|
| 111223 | 5/9 Secondary reference Whittaker Corp Whittaker Electronic Systems Div |
NSN 6625-00-059-7530 is a Ammeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-059-7530 has 1 manufacturer part number on file: 300-10212A (Phaostron Instrument and Electronic Company).
3 possible matches (shared part number, not a government interchangeability claim): 5998-00-133-4895, 1680-00-481-4160, 1560-00-771-8213. Verify interchangeability with system specifications before substitution.
Key specifications for 300-10212A: Circuit Construction Type: NONELECTRONIC; Mounting Facility Type and Quantity: 3 THREADED STUD(S); Meter Body Diameter Behind Mounting Flange: 2.680 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECT. EQUIP.. 28 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.