The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-587-1895, 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 Ernst, John C & Co, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-587-1895 |
| Primary Part Number | 240-1.00IN BRZ |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Ernst, John C & Co, Inc. |
| Status | ACTIVE |
| Furnished Data | LIQUID FLOW |
| Data Furnishing Method | CLEAR WINDOW |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | DOUBLE PORT |
| Maximum Temp Rating | 400.0 FAHRENHEIT DEGF |
| Media for Which Designed | ANY ACCEPTABLE |
| Maximum Working Pressure | 225.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | COPPER ALLOY |
| Sight Diameter | 1.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| 240-1.00IN BRZ PRIMARY | Ernst, John C & Co, Inc. (USA) |
| Reference | Meaning |
|---|---|
| E20024 REV H P/N 240-1.00IN | 5/1 Secondary reference Ernst, John C & Co, Inc. |
| 7634470 ITEM F1002 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 6680-01-587-1895 is a Indicator,sight,liquid, manufactured by Ernst, John C & Co, Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-587-1895 has 1 manufacturer part number on file: 240-1.00IN BRZ (Ernst, John C & Co, Inc.).
Key specifications for 240-1.00IN BRZ: Overall Height: 5.625 INCHES NOMINAL IN; Furnished Data: LIQUID FLOW; Data Furnishing Method: CLEAR WINDOW; End Connection Type: UNABLE TO DECODE. 9 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.