The Ammeter, cataloged under National Stock Number 6625-00-540-8999, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-540-8999 |
| Primary Part Number | 10105473 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Color | UNABLE TO DECODE |
| Features Provided | MAGNETIC SHIELD AND SELF-ILLUMINATION FACILITY AND ZERO ADJUSTER |
| Dial Scale Marking Color | YELLOW SINGLE INDICATOR SINGLE RANGE |
| Style Designator | ROUND FLUSH MTG |
| Installation Design | PANEL |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Scale Division Quantity | 4 SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.687 INCHES NOMINAL IN |
| Material | STEEL |
| FSC Application Data | TEST SET ELECTRONIC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Circuit Construction Type | NONELECTRONIC |
| Measurement Range | +0.0 TO 50.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Power Source | EXTERNAL |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Pointer Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG |
| Mounting Hole Diameter | 0.112 INCHES NOMINAL IN |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | DC |
| Panel for Which Designed | MAGNETIC OR NONMAGNETIC |
| Indicator Type | DIAL W/POINTER |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-581-8509 (9010265) |
| HAZMAT | No |
| Weight | 1.0000 lbs |
| Cube | 0.0250 cu ft |
| Part Number | Manufacturer |
|---|---|
| 331C147H01 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 10105473 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 1521CLASS52 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 331C147H01 | Westinghouse Electric Corp (USA) |
| 560-940 | Hickok Waekon Llc (USA) |
NSN 6625-00-540-8999 is a Ammeter, manufactured by Us Army Aviation and Missile Command, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-540-8999 has 5 cross-referenced part numbers: 331C147H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 10105473 (Us Army Aviation and Missile Command), 1521CLASS52 (Solartron Electronics Inc Weston Instruments Div), 331C147H01 (Westinghouse Electric Corp), 560-940 (Hickok Waekon Llc).
There are 12 known substitutes for 6625-00-540-8999: 6625-00-581-8509, 6625-00-729-5771, 6625-00-103-0228 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 10105473: Environmental Protection: SHOCK RESISTANT AND VIBRATION RESISTANT; Overall Diameter: 2.695 INCHES NOMINAL IN; Nuclear Hardness Critical Feature: NONHARDENED; Color: UNABLE TO DECODE. 30 total characteristics are documented in the Federal Logistics Information System.