The Ammeter, cataloged under National Stock Number 6625-00-971-6416, 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 3 commercial cross-references from 3 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 | 6625-00-971-6416 |
| Primary Part Number | 495-320 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Jewell Instruments Llc |
| Status | ACTIVE |
| Circuit Current for Which Designed | DC |
| Circuit Construction Type | NONELECTRONIC |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Power Source | EXTERNAL |
| Mounting Stud Diameter | 0.250 INCHES NOMINAL IN |
| Meter Body Diameter Behind Mounting Flange | 3.960 INCHES NOMINAL IN |
| Accuracy in Percent | -1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Panel for Which Designed | NONMAGNETIC |
| Measurement Range | -2000.0 TO 2000.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Scale Division Quantity | 40 SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 3.500 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Indicator Type | DIAL W/POINTER |
| Material | PLASTIC |
| Mounting Stud Length | 0.625 INCHES NOMINAL IN |
| Environmental Protection | DUSTPROOF |
| Style Designator | RECTANGULAR FLUSH MTG |
| FSC Application Data | TEST SET ELECTRONIC |
| Surface Treatment | ENAMEL |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Color | UNABLE TO DECODE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.376 INCHES NOMINAL IN |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.376 INCHES NOMINAL IN |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | Z |
| Weight | 3.9100 lbs |
| Cube | 0.1269 cu ft |
| Part Number | Manufacturer |
|---|---|
| 293B099A31 | Hughes Corp Div Dba Weschler Instruments (USA) |
| S293B099A10 | Hughes Corp Div Weschler Electric (USA) |
| 495-320 PRIMARY | Jewell Instruments Llc (USA) |
NSN 6625-00-971-6416 is a Ammeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-971-6416 has 3 cross-referenced part numbers: 293B099A31 (Hughes Corp Div Dba Weschler Instruments), S293B099A10 (Hughes Corp Div Weschler Electric), 495-320 (Jewell Instruments Llc).
There are 3 known substitutes for 6625-00-971-6416: 5970-00-043-2921, 5970-00-208-7725, 5970-00-875-0810. Verify interchangeability with system specifications before substitution.
Key specifications for 495-320: Circuit Current for Which Designed: DC; Circuit Construction Type: NONELECTRONIC; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Power Source: EXTERNAL. 30 total characteristics are documented in the Federal Logistics Information System.