The Test Set,indicator, cataloged under National Stock Number 6680-01-383-7933, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is General Electrodynamics Corporation Dba Nsd Scale. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-383-7933 |
| Primary Part Number | H8224-837837 |
| Item Name | Test Set,indicator |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | General Electrodynamics Corporation Dba Nsd Scale |
| Status | ACTIVE |
| Phase | SINGLE LOCATION NOT OTHERWISE SPECIFIED |
| Length | 17.000 INCHES NOMINAL IN |
| AC Voltage Rating | 115.0 VOLTS NOMINAL OR 230.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Major Components | FRONT PANEL ASSY WHICH CONSISTS OF 16 BUTTON KEYPAD AND 2 LINE X 16 CHARACTER DISPLAY, HIGH SPEED MOTOR, SPEED FEEDBACK SENSOR SYS, 1000 WATT DC POWER SUPPLY |
| Relationship to Similar Equipment | REPLACES NSN 6680-00-757-3743 AND NSN 6680-00-436-7571 |
| Electrical Power Source Relationship | OPERATING |
| Height | 19.000 INCHES NOMINAL IN |
| Depth | 18.000 INCHES NOMINAL IN |
| Functional Description | TACHOMETER CALIBRATOR WILL PROVIDE PMELS WITH AN IMPROVED CAPABILITY TO CALIBRATE ALL KNOWN TYPES OF TACHOMETERS USED BY THE USAF |
| Enclosure Feature | MULTIPLE ITEM W/CARRYING CASE |
| Frequency Rating | 60.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Accessory Component Quantity | 8 |
| Test Type for Which Designed | TACHOMETER TESTER FOR ALL KNOWN TACHOMETERS USED BY THE U.S.A.F. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| H8224-837837 PRIMARY | General Electrodynamics Corporation Dba Nsd Scale (USA) |
NSN 6680-01-383-7933 is a Test Set,indicator, manufactured by General Electrodynamics Corporation Dba Nsd Scale, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-383-7933 has 1 manufacturer part number on file: H8224-837837 (General Electrodynamics Corporation Dba Nsd Scale).
Key specifications for H8224-837837: Phase: SINGLE LOCATION NOT OTHERWISE SPECIFIED; Length: 17.000 INCHES NOMINAL IN; AC Voltage Rating: 115.0 VOLTS NOMINAL OR 230.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Major Components: FRONT PANEL ASSY WHICH CONSISTS OF 16 BUTTON KEYPAD AND 2 LINE X 16 CHARACTER DISPLAY, HIGH SPEED MOTOR, SPEED FEEDBACK SENSOR SYS, 1000 WATT DC POWER SUPPLY. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.