The Ammeter, cataloged under National Stock Number 6625-00-539-9639, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is American Instrument Corp. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-539-9639 |
| Primary Part Number | 2R100A |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | American Instrument Corp |
| Status | CANCELLED |
| Indicator Type | DIAL W/POINTER |
| Special Test Features | ENVIRONMENTALS PER MIL-STD-202 |
| Color | UNABLE TO DECODE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 2.695 INCHES MAXIMUM IN |
| Surface Treatment | ENAMEL SEMIGLOSS |
| Measurement Range | +0.0 TO 100.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES MAXIMUM IN |
| Meter Depth Behind Mounting Flange | 1.600 INCHES MAXIMUM IN |
| Furnished Items and Quantity | NUT 7; WASHER 5 |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| FSC Application Data | ELECTRICAL,ELECTRONIC PROPERTIES MEASURING AND TEST INSTRUMENTS |
| Style Designator | ROUND FLUSH MTG |
| Environmental Protection | COLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT |
| Surface Treatment Document and Classification | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG AND 2 THREADED STUD |
| Material | STEEL CORROSION RESISTING |
| Test Data Document | 81349-MIL-PRF-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Power Source | EXTERNAL |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Circuit Current for Which Designed | DC |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-220-9986 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | DZ |
| Weight | 0.6000 lbs |
| Cube | 0.0296 cu ft |
| Part Number | Manufacturer |
|---|---|
| 2R100A | American Instrument Corp (USA) |
| MIL-M-10304/5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR26W100DCAAR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 6625005399639 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| MIL-PRF-10304/5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2R100A | Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA) |
| MR26W100DCAAR | Edo (USA) |
| 739111REVBPT12 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 6625-00-539-9639 is a Ammeter, manufactured by American Instrument Corp, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-539-9639 has 8 cross-referenced part numbers: 2R100A (American Instrument Corp), MIL-M-10304/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR26W100DCAAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6625005399639 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), MIL-PRF-10304/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.
There are 8 known substitutes for 6625-00-539-9639: 6625-00-679-5316, 6625-00-220-9986, 6625-00-725-8151 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2R100A: Indicator Type: DIAL W/POINTER; Special Test Features: ENVIRONMENTALS PER MIL-STD-202; Color: UNABLE TO DECODE; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-539-9639 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.