The Ammeter, cataloged under National Stock Number 6625-00-649-3681, 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 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6625-00-649-3681 |
| Primary Part Number | 907-33 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Jewell Instruments Llc |
| Status | CANCELLED |
| Meter Body Diameter Behind Mounting Flange | 2.734 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.282 INCHES NOMINAL IN |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Environmental Protection | DUST RESISTANT |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Mounting Stud Length | 0.520 INCHES NOMINAL IN |
| Indicator Type | DIAL W/POINTER |
| Installation Design | PANEL |
| Features Provided | ZERO ADJUSTER |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| FSC Application Data | TEST SET,ELECTRONIC EQUIPMENT |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Panel for Which Designed | NONMAGNETIC |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Sensitivity Rating | 25.0 OHMS PER VOLT |
| Style Designator | RECTANGULAR FLUSH MTG |
| Circuit Construction Type | NONELECTRONIC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.240 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.240 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Measurement Range | +0.0 TO 1.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-153-9058 (136301-087) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 301 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 4790 | Simpson Electric Company, Inc. (USA) |
| 907-33 PRIMARY | Jewell Instruments Llc (USA) |
| 04790 | Simpson Electric Company, Inc. (USA) |
| 597 | Hoyt Electrical Instrument Works, Inc. Dba Hoyt Electrical Instrument Works Inc (USA) |
NSN 6625-00-649-3681 is a Ammeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-649-3681 has 5 cross-referenced part numbers: 301 (Solartron Electronics Inc Weston Instruments Div), 4790 (Simpson Electric Company, Inc.), 907-33 (Jewell Instruments Llc), 04790 (Simpson Electric Company, Inc.), 597 (Hoyt Electrical Instrument Works, Inc. Dba Hoyt Electrical Instrument Works Inc).
There are 12 known substitutes for 6625-00-649-3681: 6625-00-231-1631, 6625-00-153-9058, 6145-00-243-5834 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 907-33: Meter Body Diameter Behind Mounting Flange: 2.734 INCHES NOMINAL IN; Power Source: EXTERNAL; Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE; Meter Depth Behind Mounting Flange: 1.282 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-649-3681 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.