The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-596-0041, 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 1 specification, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-596-0041 |
| Primary Part Number | 240-2.00IN PG8 IT8 |
| 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 |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 240-2.00IN PG8 IT8 PRIMARY | Ernst, John C & Co, Inc. (USA) |
| E20024 REV H P/N 240-2.00 IN | Ernst, John C & Co, Inc. (USA) |
NSN 6680-01-596-0041 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 6680-01-596-0041 has 2 manufacturer part numbers on file: 240-2.00IN PG8 IT8 (Ernst, John C & Co, Inc.), E20024 REV H P/N 240-2.00 IN (Ernst, John C & Co, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-596-0610. Verify interchangeability with system specifications before substitution.
Key specifications for 240-2.00IN PG8 IT8: Part Name Assigned by Controlling Agency: SIGHT FLOW INDICATOR; End Item Identification: MEDIUM PRESSURE-DOUBLE WINDOW-FLANGED. 2 INCH SINGLE PIECE CAST BODY, BRONZE. IN; Material: COPPER ALLOY. 1 specification is 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.