The Ammeter, cataloged under National Stock Number 6625-00-816-5937, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Pa Instruments Inc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-816-5937 |
| Primary Part Number | PA8654 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Pa Instruments Inc |
| Status | CANCELLED |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Circuit Attachment Method and Quantity | 2 SOLDERLESS LUG |
| Features Provided | ZERO ADJUSTER |
| Mounting Facility Type and Quantity | 6 THREADED STUD(S) |
| Dielectric Withstanding Voltage in Volts | 2000.0 |
| Surface Treatment | ENAMEL SEMIGLOSS |
| Meter Body Diameter Behind Mounting Flange | 3.570 INCHES NOMINAL IN |
| Sensitivity Rating | 103.0 MILLIVOLTS |
| Style Designator | ROUND FLUSH MTG |
| Scale Division Quantity | 100 SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 4.125 INCHES NOMINAL IN |
| Mounting Stud Length | 0.500 INCHES NOMINAL IN |
| Environmental Protection | DUST RESISTANT |
| Color | UNABLE TO DECODE |
| Material | STEEL |
| Overall Diameter | 4.580 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Installation Design | PANEL |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.150 INCHES NOMINAL IN |
| Panel for Which Designed | NONMAGNETIC |
| Indicator Type | DIAL W/POINTER |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Circuit Construction Type | NONELECTRONIC |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | -100.0 TO 100.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | SIX HOLE/STUD BOLT CIRCLE |
| Circuit Current for Which Designed | DC |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-993-6232 (1541) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | JF |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
NSN 6625-00-816-5937 is a Ammeter, manufactured by Pa Instruments Inc, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-816-5937 has 4 cross-referenced part numbers: PA8654 (Pa Instruments Inc), 1541 (Lockheed Martin Corp), MMI-9846 (Metermaster Inc Metermod Div), 1541 (Solartron Electronics Inc Weston Instruments Div).
There are 9 known substitutes for 6625-00-816-5937: 6625-00-649-0048, 6625-00-118-6740, 6625-00-519-0063 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for PA8654: Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE; Movement Type: MOVING COIL, PERMANENT MAGNET; Circuit Attachment Method and Quantity: 2 SOLDERLESS LUG; Features Provided: ZERO ADJUSTER. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-816-5937 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.