The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-591-1129, 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. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6680-01-591-1129 |
| Primary Part Number | 799-D-13999 ITEM 7 |
| Item Name | Indicator,sight,liquid |
| 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 |
| 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 |
|---|---|
| 799-D-13999 ITEM 7 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 626-08897-000 REV 1 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| SFI-100-1-1/2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6680-01-591-1129 is a Indicator,sight,liquid, 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 6680-01-591-1129 has 2 manufacturer part numbers on file: 799-D-13999 ITEM 7 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 626-08897-000 REV 1 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 799-D-13999 ITEM 7: Part Name Assigned by Controlling Agency: SIGHT GLASS. 0 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.