The Ammeter, cataloged under National Stock Number 6625-00-989-9927, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hickok Waekon Llc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-989-9927 |
| Primary Part Number | 491-312 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Hickok Waekon Llc |
| Status | CANCELLED |
| Movement Type | MOVING IRON VANE |
| Meter Body Diameter Behind Mounting Flange | 3.500 INCHES NOMINAL IN |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Style Designator | RECTANGULAR FLUSH MTG |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Material | PLASTIC |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.375 INCHES NOMINAL IN |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Meter Depth Behind Mounting Flange | 1.500 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | AC |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.125 INCHES NOMINAL IN |
| Movement Type | MOVING IRON VANE |
| Meter Body Diameter Behind Mounting Flange | 3.500 INCHES NOMINAL IN |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Style Designator | RECTANGULAR FLUSH MTG |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Material | PLASTIC |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.375 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | Y |
NSN 6625-00-989-9927 is a Ammeter, manufactured by Hickok Waekon Llc, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-989-9927 has 4 cross-referenced part numbers: 59F79F3 (Ram Meter Inc), 491-312 (Hickok Waekon Llc), 491118 (Hickok Waekon Llc), B238T35 (Avtron Aerospace Inc).
There are 3 known substitutes for 6625-00-989-9927: 6625-00-618-9502, 4330-00-471-8599, 5180-01-648-0641. Verify interchangeability with system specifications before substitution.
Key specifications for 491-312: Movement Type: MOVING IRON VANE; Meter Body Diameter Behind Mounting Flange: 3.500 INCHES NOMINAL IN; Circuit Attachment Method and Quantity: 2 THREADED STUD; Movement Suspension Method: JEWEL PIVOT BASE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-989-9927 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.