The Meter,electrical Frequency, cataloged under National Stock Number 6625-01-321-8420, 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 L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-321-8420 |
| Primary Part Number | 1135583G2 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Register Quantity | 1 |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.750 INCHES MAXIMUM IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Operating Voltage Rating in Volts | 100.0 AC MINIMUM AND 130.0 AC MAXIMUM |
| Indicator Type | VIBRATING REED |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG |
| Meter Depth Behind Mounting Flange | 2.250 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | AC |
| Movement Type | VIBRATING REED |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Special Test Features | CONFORMS TO MIL-M-10304 |
| Resonant Reed Quantity | 9 |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Supplementary Features | 1.0 W POWER CONSUMPTION W |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.138 INCHES NOMINAL IN |
| Scale Division Quantity | 8 SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 3.150 INCHES MINIMUM AND 3.170 INCHES MAXIMUM IN |
| Color | UNABLE TO DECODE |
| Surface Treatment | ENAMEL SEMIGLOSS |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | STEEL CORROSION RESISTING |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +380.0 TO 420.0 HERTZ SINGLE INDICATOR SINGLE RANGE |
| 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 | J |
| Weight | 2.0000 lbs |
| Cube | 0.0460 cu ft |
| Part Number | Manufacturer |
|---|---|
| 1135583G2 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1135583G2 | 5/1 Secondary reference Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco |
| 1135583G2 | 5/9 Secondary reference Lee Co the J B T Div |
| M-3091 | 5/9 Secondary reference Metermaster Inc Miscorp Div |
| 1135583G2 | 3/9 Design control — primary reference Itt Industries Inc Itt Aerospace Communications Div East |
NSN 6625-01-321-8420 is a Meter,electrical Frequency, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-321-8420 has 1 manufacturer part number on file: 1135583G2 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for 1135583G2: Register Quantity: 1; Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.750 INCHES MAXIMUM IN; FSC Application Data: TEST SET,ELECT. EQUIP.. 28 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.