The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-596-0610, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-596-0610 |
| Primary Part Number | MODEL 240 2.00IN |
| 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 |
| Style Designator | DOUBLE PORT FLANGED |
| Material | COPPER ALLOY |
| Flange Outside Diameter | 2.000 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 |
|---|---|
| MODEL 240 2.00IN PRIMARY | Ernst, John C & Co, Inc. (USA) |
| Reference | Meaning |
|---|---|
| E20024 REV H P/N 240-2.00IN | 5/9 Secondary reference Ernst, John C & Co, Inc. |
NSN 6680-01-596-0610 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 6680-01-596-0610 has 1 manufacturer part number on file: MODEL 240 2.00IN (Ernst, John C & Co, Inc.).
Key specifications for MODEL 240 2.00IN: Style Designator: DOUBLE PORT FLANGED; Part Name Assigned by Controlling Agency: BRONZE, SIGHT FLOW INDICATOR, 2.00IN, 150 LBS FLANGED, STANDARD COMERCIAL UNIT LBS; Material: COPPER ALLOY; Flange Outside Diameter: 2.000 INCHES NOMINAL IN. 3 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.