The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-110-7709, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-110-7709 |
| Primary Part Number | 30-CS10300-5-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 |
| Furnished Data | LIQUID LEVEL |
| Data Furnishing Method | CLEAR WINDOW AND INSCRIBED HIGH-LOW AND THERMOMETER |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | DOUBLE-MOUNT, SHIELDED, FRONT OPENING |
| Distance Between Mounting Facility Centers | 5.000 INCHES NOMINAL IN |
| Maximum Temp Rating | 300.0 FAHRENHEIT DEGF |
| Media for Which Designed | OIL |
| Material | ALUMINUM ALLOY |
| Sight Height | 3.438 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 |
|---|---|
| 30-CS10300-5-A-1 PRIMARY | Ldi Industries, Inc. Dba Ldi Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 20-CS10300-5-A- | C/1 Advisory reference — outside the item-of-supply concept Ldi Industries, Inc. Dba Ldi Industries Inc |
| 30-CS10300-5-A | 3/1 Design control — primary reference Ldi Industries, Inc. Dba Ldi Industries Inc |
| 725250 | 5/9 Secondary reference Bosch Automation Technology |
NSN 6680-01-110-7709 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 6680-01-110-7709 has 1 manufacturer part number on file: 30-CS10300-5-A-1 (Ldi Industries, Inc. Dba Ldi Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-6262. Verify interchangeability with system specifications before substitution.
Key specifications for 30-CS10300-5-A-1: Overall Height: 7.250 INCHES NOMINAL IN; Furnished Data: LIQUID LEVEL; Data Furnishing Method: CLEAR WINDOW AND INSCRIBED HIGH-LOW AND THERMOMETER; End Connection Type: UNABLE TO DECODE. 9 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.