The Ammeter, cataloged under National Stock Number 6625-00-649-3660, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-649-3660 |
| Primary Part Number | 22454 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | CANCELLED |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 2.200 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Circuit Current for Which Designed | DC |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | TAUT BAND |
| Furnished Items and Quantity | NUT 2 |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Style Designator | RECTANGULAR FLUSH MTG |
| Color | UNABLE TO DECODE |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Mounting Stud Length | 0.546 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.880 INCHES NOMINAL IN |
| Scale Division Quantity | 25 SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.020 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Circuit Construction Type | NONELECTRONIC |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 50.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Installation Design | PANEL |
| Panel for Which Designed | NONMAGNETIC |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.880 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-504-2980 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | JN |
| Part Number | Manufacturer |
|---|---|
| 801-13 | Raytheon Company (USA) |
| 801-13 | Raytheon Company Dba Raytheon Co (USA) |
| 6230 | Simpson Electric Company, Inc. (USA) |
| 506-0-50MADC | Solartron Electronics Inc Weston Instruments Div (USA) |
| 506 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 152-1432 | Triplett (bluffton) Corporation Dba Lfe Instruments (USA) |
| 22454 PRIMARY | Naval Ship Systems Command (USA) |
| 801-13 | Raytheon Company Div Corp (USA) |
| 801-13 | Raytheon Company Dba Raytheon Co (USA) |
| 72P231601-3 | Herley Chicago Dba Stewart Warner Electronics (USA) |
| 635 | Hoyt Electrical Instrument Works, Inc. Dba Hoyt Electrical Instrument Works Inc (USA) |
NSN 6625-00-649-3660 is a Ammeter, manufactured by Naval Ship Systems Command, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-649-3660 has 11 cross-referenced part numbers: 801-13 (Raytheon Company), 801-13 (Raytheon Company Dba Raytheon Co), 6230 (Simpson Electric Company, Inc.), 506-0-50MADC (Solartron Electronics Inc Weston Instruments Div), 506 (Solartron Electronics Inc Weston Instruments Div) and 6 more.
There are 12 known substitutes for 6625-00-649-3660: 6625-00-504-2980, 6625-01-462-6376, 6625-01-540-3811 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 22454: Overall Height: 2.380 INCHES NOMINAL IN; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Meter Body Diameter Behind Mounting Flange: 2.200 INCHES NOMINAL IN; Nuclear Hardness Critical Feature: NONHARDENED. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-649-3660 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.