The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-722-4355, 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 Naval Sea Systems Command. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Ldi Industries, Inc. Dba Ldi Industries Inc (CAGE 24346) |
| Parameter | Value |
|---|---|
| NSN | 6680-01-722-4355 |
| Primary Part Number | 563-8841614-565 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| 563-8841614-565 PRIMARY | Naval Sea Systems Command (USA) |
| LSP1301-08 PRIMARY | Ldi Industries, Inc. Dba Ldi Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| R5520405-565 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| LSA001764-565 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 6680-01-722-4355 is a Indicator,sight,liquid, manufactured by Naval Sea Systems Command, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-722-4355 has 2 manufacturer part numbers on file: 563-8841614-565 (Naval Sea Systems Command), LSP1301-08 (Ldi Industries, Inc. Dba Ldi Industries Inc).
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.