The Meter,electrical Frequency, cataloged under National Stock Number 6625-00-993-3466, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-993-3466 |
| Primary Part Number | 1560296-1 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Register Quantity | 1 |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES NOMINAL IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Indicator Type | VIBRATING REED |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 2.125 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Movement Type | VIBRATING REED |
| Accuracy in Percent | -0.3 TO 0.3 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Resonant Reed Quantity | 21 |
| Supplementary Features | POWER REQUIREMENTS: 2 WATTS MAXIMUM; OPERATING TEMPERATURE MINUS 65 TO PLUS 85 DEGREES CENTIGRADE |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 20 SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Frequency Rating | 55.0 HERTZ MINIMUM AND 75.0 HERTZ MAXIMUM |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +55.0 TO 75.0 HERTZ SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | TERM. HDW 2 |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Installation Design | PANEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 1.0000 lbs |
| Cube | 0.1350 cu ft |
NSN 6625-00-993-3466 is a Meter,electrical Frequency, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-993-3466 has 2 manufacturer part numbers on file: 1560296-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 325068 (Avo Intl).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-239-4596. Verify interchangeability with system specifications before substitution.
Key specifications for 1560296-1: Register Quantity: 1; Meter Body Diameter Behind Mounting Flange: 2.800 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Indicator Type: VIBRATING REED. 27 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.