The Meter,electrical Frequency, cataloged under National Stock Number 6625-01-062-5824, 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 Us Army Aviation and Missile Command. Government technical data includes 26 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6625-01-062-5824 |
| Primary Part Number | 7914138 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Register Quantity | 2 |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES MAXIMUM IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Indicator Type | VIBRATING REED |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 2.312 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | AC |
| Scale Selection Method | TERMINAL |
| Movement Type | VIBRATING REED |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.250 INCHES MAXIMUM IN |
| Mounting Stud Diameter | 0.132 INCHES NOMINAL IN |
| Special Test Features | COMPLIES WITH MIL-M-10304 |
| Resonant Reed Quantity | 11 |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Power Source | EXTERNAL |
| Style Designator | RECTANGULAR FLUSH MTG |
| Features Provided | MAGNETIC SHIELD |
| Color | UNABLE TO DECODE |
| Surface Treatment | PAINT |
| Environmental Protection | AIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT |
| Mounting Stud Length | 0.500 INCHES NOMINAL IN |
| Frequency Rating | 50.0 HERTZ NOMINAL |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.250 INCHES MAXIMUM IN |
| 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 | 1.8000 lbs |
| Cube | 0.1250 cu ft |
| Part Number | Manufacturer |
|---|---|
| 7914138 PRIMARY | Us Army Aviation and Missile Command (USA) |
| MK777-308 | Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics (USA) |
| Reference | Meaning |
|---|---|
| 3070-4022 | 5/9 Secondary reference Genrad Inc |
| 3070-4022 | C/1 Advisory reference — outside the item-of-supply concept Iet Labs Inc |
| 4946-2 | 5/9 Secondary reference Avo Intl |
NSN 6625-01-062-5824 is a Meter,electrical Frequency, manufactured by Us Army Aviation and Missile Command, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-062-5824 has 2 manufacturer part numbers on file: 7914138 (Us Army Aviation and Missile Command), MK777-308 (Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics).
1 possible match (shared part number, not a government interchangeability claim): 2940-01-587-9043. Verify interchangeability with system specifications before substitution.
Key specifications for 7914138: Register Quantity: 2; Mounting Facility Type and Quantity: 4 THREADED STUD(S); Meter Body Diameter Behind Mounting Flange: 2.800 INCHES MAXIMUM IN; Overall Height: 3.125 INCHES MAXIMUM IN. 26 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.