The Ammeter, cataloged under National Stock Number 6625-01-043-7046, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Essex Electro Engineers Inc. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-043-7046 |
| Primary Part Number | A645-1302 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Essex Electro Engineers Inc |
| Status | ACTIVE |
| Features Provided | ZERO ADJUSTER |
| Circuit Construction Type | NONELECTRONIC |
| Furnished Items and Quantity | NUT 7; WASHER,LOCK 3; WASHER,FLAT 2 |
| Panel for Which Designed | NONMAGNETIC |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 2.625 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Measurement Range | +0.0 TO 250.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE |
| Power Source | EXTERNAL |
| Pointer Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Dial Scale Marking Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Material | PLASTIC |
| Style Designator | ROUND FLUSH MTG |
| Sensitivity Rating | 5.0 AMPERES |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Meter Depth Behind Mounting Flange | 1.500 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Indicator Type | DIAL W/POINTER |
| Special Markings | RED HASH MARK AND SAFE AT 174 AMPS |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Color | UNABLE TO DECODE |
| Mounting Hole Diameter | 0.109 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 0.9350 lbs |
| Cube | 0.0381 cu ft |
NSN 6625-01-043-7046 is a Ammeter, manufactured by Essex Electro Engineers Inc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-01-043-7046 has 2 cross-referenced part numbers: A645-1302 (Essex Electro Engineers Inc), 366-200 (Jewell Instruments Llc).
There are 3 known substitutes for 6625-01-043-7046: 3120-00-484-7602, 2520-00-563-6634, 6505-01-217-9436. Verify interchangeability with system specifications before substitution.
Key specifications for A645-1302: Features Provided: ZERO ADJUSTER; Circuit Construction Type: NONELECTRONIC; Furnished Items and Quantity: NUT 7; WASHER,LOCK 3; WASHER,FLAT 2; Panel for Which Designed: NONMAGNETIC. 30 total characteristics are documented in the Federal Logistics Information System.