The Glass,liquid Sight Indicator,fla, cataloged under National Stock Number 6680-01-386-5087, 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 Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6680-01-386-5087 |
| Primary Part Number | 851-07639-000 |
| Item Name | Glass,liquid Sight Indicator,fla |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Design Type | PLAIN |
| Gage Rated Pressure | 125.0 POUNDS PER SQUARE INCH LBS |
| Mica Shield | NOT PROVIDED |
| Gasket | NOT INCLUDED |
| 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 |
|---|---|
| 851-07639-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| PL696-8910 ITEM 73 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 851-07639-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
NSN 6680-01-386-5087 is a Glass,liquid Sight Indicator,fla, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-386-5087 has 1 manufacturer part number on file: 851-07639-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 851-07639-000: Design Type: PLAIN; Gage Rated Pressure: 125.0 POUNDS PER SQUARE INCH LBS; Mica Shield: NOT PROVIDED; Gasket: NOT INCLUDED. 4 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.