The Meter,electrical Frequency, cataloged under National Stock Number 6625-00-879-4101, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-879-4101 |
| Primary Part Number | 4991-027 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Jewell Instruments Llc |
| Status | ACTIVE |
| Mounting Stud Length | 1.469 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.376 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Frequency Response Range | +350.000 TO 450.000 HERTZ |
| Meter Body Diameter Behind Mounting Flange | 4.000 INCHES MAXIMUM IN |
| Meter Depth Behind Mounting Flange | 3.875 INCHES MAXIMUM IN |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Circuit Attachment Method and Quantity | 3 SOLDER STUD |
| Features Provided | ZERO ADJUSTER |
| Style Designator | RECTANGULAR FLUSH MTG |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Mounting Stud Diameter | 0.250 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Measurement Range | +350.0 TO 450.0 HERTZ SINGLE INDICATOR SINGLE RANGE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.376 INCHES NOMINAL IN |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Indicator Type | DIAL W/POINTER |
| Furnished Items and Quantity | IMPEDOR 1 |
| Mounting Stud Length | 1.469 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.376 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Frequency Response Range | +350.000 TO 450.000 HERTZ |
| Meter Body Diameter Behind Mounting Flange | 4.000 INCHES MAXIMUM IN |
| Meter Depth Behind Mounting Flange | 3.875 INCHES MAXIMUM IN |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Circuit Attachment Method and Quantity | 3 SOLDER STUD |
| Features Provided | ZERO ADJUSTER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 9.1700 lbs |
| Cube | 1.3542 cu ft |
| Part Number | Manufacturer |
|---|---|
| 758-4-1 | Regulators Products Group of Ward Leonard Electric Co Inc (USA) |
| 758-4 | Regulators Products Group of Ward Leonard Electric Co Inc (USA) |
| 1998 | Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA) |
| 4991-027 PRIMARY | Jewell Instruments Llc (USA) |
| 499-027 | Jewell Instruments Llc (USA) |
| F4AA3 | General Electric Co Instrumentation and Computer Service Dept (USA) |
NSN 6625-00-879-4101 is a Meter,electrical Frequency, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-879-4101 has 6 cross-referenced part numbers: 758-4-1 (Regulators Products Group of Ward Leonard Electric Co Inc), 758-4 (Regulators Products Group of Ward Leonard Electric Co Inc), 1998 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), 4991-027 (Jewell Instruments Llc), 499-027 (Jewell Instruments Llc) and 1 more.
There are 12 known substitutes for 6625-00-879-4101: 5310-00-050-3323, 5935-00-058-4347, 2805-00-088-3337 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4991-027: Mounting Stud Length: 1.469 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 3.376 INCHES NOMINAL IN; Installation Design: PANEL; Frequency Response Range: +350.000 TO 450.000 HERTZ. 30 total characteristics are documented in the Federal Logistics Information System.