The Tube,metering, cataloged under National Stock Number 6680-01-654-1891, 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 King Instrument Company, Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Tube,metering |
| FSC / FSG | 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66) |
| Manufacturers | King Instrument Company, Inc (CAGE 0ARJ8) |
| Parameter | Value |
|---|---|
| NSN | 6680-01-654-1891 |
| Primary Part Number | MT749GL |
| Item Name | Tube,metering |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | King Instrument Company, Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| MT749GL PRIMARY | King Instrument Company, Inc (USA) |
| Reference | Meaning |
|---|---|
| 7460 SERIES ITEM 9 | D/9 Drawing number reference only King Instrument Company, Inc |
NSN 6680-01-654-1891 is a Tube,metering, manufactured by King Instrument Company, Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-654-1891 has 1 manufacturer part number on file: MT749GL (King Instrument Company, Inc).
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.