The Meter,electrical Frequency, cataloged under National Stock Number 6625-00-844-6631, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-844-6631 |
| Primary Part Number | 990622-01 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Ge Aviation Systems Llc |
| Status | CANCELLED |
| Features Provided | ZERO ADJUSTER |
| Measurement Range | +100.0 TO 150.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Frequency Response Range | +380.000 TO 420.000 HERTZ |
| Indicator Type | DIAL W/POINTER |
| Resonant Reed Quantity | 11 |
| Special Test Features | PART IAW MIL-STD-130 |
| Supplementary Features | INDIVIDUAL REEDS ARE TUNED TO WITHIN PORM 0.3 PCT OF THEIR RATIO FREQUENCY |
| Style Designator | ROUND FLUSH MTG |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Movement Type | VIBRATING REED |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Accuracy in Percent | -0.5 TO 0.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Register Quantity | 1 |
| Overall Diameter | 2.685 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 2.343 INCHES NOMINAL IN |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Measurement Range | +100.0 TO 150.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Frequency Response Range | +380.000 TO 420.000 HERTZ |
| Indicator Type | DIAL W/POINTER |
| Resonant Reed Quantity | 11 |
| Special Test Features | PART IAW MIL-STD-130 |
| Features Provided | ZERO ADJUSTER |
| Supplementary Features | INDIVIDUAL REEDS ARE TUNED TO WITHIN PORM 0.3 PCT OF THEIR RATIO FREQUENCY |
| Style Designator | ROUND FLUSH MTG |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | JZ |
| Weight | 0.8000 lbs |
| Cube | 0.0470 cu ft |
| Part Number | Manufacturer |
|---|---|
| MF11-2997 | Avo Intl (USA) |
| 1777730-1 | Honeywell International Inc. Dba Honeywell International (USA) |
| 990622-01 PRIMARY | Ge Aviation Systems Llc (USA) |
| 990622 | Lee Co the J B T Div (USA) |
| MMI8719 | Metermaster Inc Metermod Div (USA) |
| 322997 | Avo Intl (USA) |
| MMI-8719 | Custom Metering Company Inc (USA) |
| 990622 | Phaostron Instrument and Electronic Company (USA) |
| 2997 | Avo Intl (USA) |
NSN 6625-00-844-6631 is a Meter,electrical Frequency, manufactured by Ge Aviation Systems Llc, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-844-6631 has 9 cross-referenced part numbers: MF11-2997 (Avo Intl), 1777730-1 (Honeywell International Inc. Dba Honeywell International), 990622-01 (Ge Aviation Systems Llc), 990622 (Lee Co the J B T Div), MMI8719 (Metermaster Inc Metermod Div) and 4 more.
There are 11 known substitutes for 6625-00-844-6631: 2925-00-152-1715, 4730-00-278-6342, 5305-00-348-4673 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 990622-01: Features Provided: ZERO ADJUSTER; Measurement Range: +100.0 TO 150.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE; Frequency Response Range: +380.000 TO 420.000 HERTZ; Indicator Type: DIAL W/POINTER. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-844-6631 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.