The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-331-9023, 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 Ldi Industries, Inc. Dba Ldi Industries 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-331-9023 |
| Primary Part Number | G1620-05-A-1 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Ldi Industries, Inc. Dba Ldi Industries Inc |
| Status | ACTIVE |
| Style Designator | DOUBLE-MOUNT, SHIELDED, FRONT OPENING |
| Distance Between Mounting Facility Centers | 5.000 INCHES NOMINAL IN |
| Sight Height | 3.500 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 |
|---|---|
| G1620-05-A-1 PRIMARY | Ldi Industries, Inc. Dba Ldi Industries Inc (USA) |
NSN 6680-01-331-9023 is a Indicator,sight,liquid, manufactured by Ldi Industries, Inc. Dba Ldi Industries Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-331-9023 has 1 manufacturer part number on file: G1620-05-A-1 (Ldi Industries, Inc. Dba Ldi Industries Inc).
Key specifications for G1620-05-A-1: Overall Height: 6.620 INCHES NOMINAL IN; Style Designator: DOUBLE-MOUNT, SHIELDED, FRONT OPENING; Overall Length: 1.950 INCHES NOMINAL IN; Distance Between Mounting Facility Centers: 5.000 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.