# NSN 6680-01-120-6409: Indicator, Sight, Liquid

NSN 6680-01-120-6409 (also written 6680011206409; NIIN 01-120-6409) is an indicator, sight, liquid in Federal Supply Class 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6680-01-120-6409 (6680011206409)
- NIIN: 01-120-6409 (011206409)
- Item name: INDICATOR,SIGHT,LIQUID
- Federal Supply Class: [FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments](https://nsnexplorer.com/fsc/6680/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | SINGLE END RIGHT-HAND |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.937 |
| ACSU | NOMINAL PIPE SIZE FOR WHICH DESIGNED | SINGLE END INCHES 0.750 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 1.062 |
| ASNX | SIGHT DIAMETER | INCHES NOMINAL 0.750 |
| ATQZ | MAXIMUM TEMP RATING | FAHRENHEIT 500.0 |
| AWZY | END CONNECTION TYPE | SINGLE END THREADED EXTERNAL PLAIN |
| BPHD | MAXIMUM WORKING PRESSURE | POUNDS PER SQUARE INCH (PSI) 3000.0 |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| CQJX | NOMINAL THREAD SIZE | SINGLE END INCHES 0.750 |
| CSQG | FURNISHED DATA | LIQUID LEVEL |
| CTCY | DATA FURNISHING METHOD | CLEAR WINDOW |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | SINGLE END NPT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 163002 | 97674 | CONE DRIVE OPERATIONS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A2749 | 73868 | HERMASEAL CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A2749-4A | 73868 | HERMASEAL CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LSP51-5 | 24346 | LDI INDUSTRIES, INC. DBA LDI INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-28 | $11.39 | 56 | PATTERSON COONEY INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6680011206409) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE4A526V2167](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6680011206409) | INDICATOR, SIGHT, LIQUID | PATTERSON COONEY INC | $637.84 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6680011206409&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6680011206409
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/6680-01-120-6409/
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