The Test Set,flow Rate Indicating Me, cataloged under National Stock Number 6680-01-423-6027, 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 Dh Instruments Inc.. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-423-6027 |
| Primary Part Number | 400-MCD |
| Item Name | Test Set,flow Rate Indicating Me |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Dh Instruments Inc. |
| Status | ACTIVE |
| Phase | SINGLE |
| Length | 30.000 INCHES NOMINAL IN |
| AC Voltage Rating | 85.0 VOLTS MINIMUM AND 264.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Major Components | DIGITAL DISPLAY WITH MULTIFUNCTION KEYPAD TO SELECT OPERATIONS |
| Supplementary Features | FLOW CALIBRATION SYSTEM |
| Reference Data and Literature | T.O. 33D2-10-73-1, 33D2-10-74-1, 33D2-10-75-1 OR 33D2-10-76-1 AS REQD FAPPLICABLE TEST STAND |
| Electrical Power Source Relationship | ALTERNATE OPERATING |
| Height | 10.000 INCHES NOMINAL IN |
| Functional Description | PROVIDES MEANS TO CALIBRATE THE FLOWMETERS IN THE FOLLOW MSOGS TEST STANDS P/N 3300230-6001 OXYGEN REGULATOR TEST STAND, P/N 3300232-6001 INLET VALVE TEST STAND, P/N 3301270-6101 MSOGS CONCENTRATOR TEST STAND, P/N 3301271-6101 MS0GS MONITOR TEST STAND |
| Enclosure Feature | MULTIPLE ITEM W/HOUSING |
| Frequency Rating | 47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Width | 24.000 INCHES NOMINAL IN |
| Material | STEEL HOUSING |
| Test Type for Which Designed | CALIBRATE TRANSMITTERS RATE OF FLOW, 10 CCM, 100 CCM AND 1 LPM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 6680-01-423-6027 is a Test Set,flow Rate Indicating Me, manufactured by Dh Instruments Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-423-6027 has 2 manufacturer part numbers on file: 400-MCD (The Boeing Company Div Defense), 400-MCD (Dh Instruments Inc.).
Key specifications for 400-MCD: Phase: SINGLE; Length: 30.000 INCHES NOMINAL IN; AC Voltage Rating: 85.0 VOLTS MINIMUM AND 264.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED; Major Components: DIGITAL DISPLAY WITH MULTIFUNCTION KEYPAD TO SELECT OPERATIONS. 14 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.
NSN 6680-01-423-6027 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.