The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-154-9640, 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 Ingersoll-Rand Company Dba Rotary Compressor Division. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-154-9640 |
| Primary Part Number | 6453B1 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| Status | ACTIVE |
| Furnished Data | LIQUID LEVEL |
| Width Across Flats | 1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Data Furnishing Method | CLEAR WINDOW |
| Style Designator | BULLS EYE |
| Media for Which Designed | OIL |
| Material | STEEL |
| 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 |
|---|---|
| R69069 | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| 6453B1 PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| Reference | Meaning |
|---|---|
| R69069 | 5/9 Secondary reference U.S. Government activity |
| 6453B1 | 5/9 Secondary reference U.S. Government activity |
| R69069 | 5/9 Secondary reference Brooks Automation, Inc. Div Cti Cryogenics |
NSN 6680-01-154-9640 is a Indicator,sight,liquid, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-154-9640 has 2 manufacturer part numbers on file: R69069 (Ingersoll-Rand Company Dba Rotary Compressor Division), 6453B1 (Ingersoll-Rand Company Dba Rotary Compressor Division).
Key specifications for 6453B1: Overall Height: 0.370 INCHES NOMINAL IN; Furnished Data: LIQUID LEVEL; Width Across Flats: 1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Data Furnishing Method: CLEAR WINDOW. 6 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.