The Meter,electrical Frequency, cataloged under National Stock Number 6625-00-669-0739, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Avo Intl. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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 | 6625-00-669-0739 |
| Primary Part Number | 4959 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Avo Intl |
| Status | CANCELLED |
| Style Designator | ROUND FLUSH MTG |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Mounting Bolt Circle Diameter | 3.060 INCHES NOMINAL IN |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Register Quantity | 2 |
| Movement Type | VIBRATING REED |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Resonant Reed Quantity | 10 |
| Measurement Range | +48.0 TO 52.0 HERTZ SINGLE INDICATOR FIRST RANGE |
| Meter Depth Behind Mounting Flange | 3.062 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Meter Body Diameter Behind Mounting Flange | 2.875 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.154 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Measurement Range | +58.0 TO 62.0 HERTZ SINGLE INDICATOR SECOND RANGE |
| Style Designator | ROUND FLUSH MTG |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Mounting Bolt Circle Diameter | 3.060 INCHES NOMINAL IN |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Register Quantity | 2 |
| Movement Type | VIBRATING REED |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Resonant Reed Quantity | 10 |
| Measurement Range | +48.0 TO 52.0 HERTZ SINGLE INDICATOR FIRST RANGE |
| Meter Depth Behind Mounting Flange | 3.062 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Meter Body Diameter Behind Mounting Flange | 2.875 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.154 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Measurement Range | +58.0 TO 62.0 HERTZ SINGLE INDICATOR SECOND RANGE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | JZ |
| Weight | 1.2000 lbs |
| Cube | 0.2083 cu ft |
| Part Number | Manufacturer |
|---|---|
| FM16 | Pierce Co Inc the Sub of Avis Industrial Corp (USA) |
| SK5320-239 | Leeds and Northrup Co a Unit of General Signal Corp (USA) |
| 4959 PRIMARY | Avo Intl (USA) |
| SMB535908 PRIMARY | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| 369S2 | Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco (USA) |
| FM16 | Winco, Inc. (USA) |
| JBTA30-FHXX | Lee Co the J B T Div (USA) |
| 30FHXX | Lee Co the J B T Div (USA) |
NSN 6625-00-669-0739 is a Meter,electrical Frequency, manufactured by Avo Intl, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-669-0739 has 8 cross-referenced part numbers: FM16 (Pierce Co Inc the Sub of Avis Industrial Corp), SK5320-239 (Leeds and Northrup Co a Unit of General Signal Corp), 4959 (Avo Intl), SMB535908 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 369S2 (Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco) and 3 more.
There are 12 known substitutes for 6625-00-669-0739: 5340-00-036-1661, 3120-00-148-2088, 6625-00-255-5814 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4959: Style Designator: ROUND FLUSH MTG; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Mounting Bolt Circle Diameter: 3.060 INCHES NOMINAL IN; Overall Diameter: 3.500 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-669-0739 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.