The Ammeter, cataloged under National Stock Number 6625-00-078-0361, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-078-0361 |
| Primary Part Number | 3553 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Jewell Instruments Llc |
| Status | ACTIVE |
| Measurement Range | +0.0 TO 150.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Features Provided | ZERO ADJUSTER |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Power Source | EXTERNAL |
| Mounting Stud Diameter | 0.138 INCHES NOMINAL IN |
| Scale Division Quantity | 30 SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.510 INCHES MAXIMUM IN |
| Panel for Which Designed | NONMAGNETIC |
| Mounting Stud Length | 0.500 INCHES NOMINAL IN |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES MAXIMUM IN |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | AC |
| Circuit Construction Type | NONELECTRONIC |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| FSC Application Data | TEST SET,ELECTRONIC EQUIPMENT |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Frequency Response Range | +25.000 TO 125.000 HERTZ |
| Indicator Type | DIAL W/POINTER |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Meter Depth Behind Mounting Flange | 1.660 INCHES MAXIMUM IN |
| Surface Treatment | ENAMEL |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | X |
NSN 6625-00-078-0361 is a Ammeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-078-0361 has 2 cross-referenced part numbers: 3553 (Jewell Instruments Llc), 55-01070 (Simpson Electric Company, Inc.).
There are 12 known substitutes for 6625-00-078-0361: 6625-00-305-9652, 5998-01-018-8054, 6105-00-102-2786 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3553: Measurement Range: +0.0 TO 150.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE; Circuit Attachment Method and Quantity: 2 THREADED STUD; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Mounting Facility Type and Quantity: 3 THREADED STUD(S). 30 total characteristics are documented in the Federal Logistics Information System.