# NSN 6685-01-038-2451: Thermometer, Indicating, Capillary

NSN 6685-01-038-2451 (also written 6685010382451; NIIN 01-038-2451) is a thermometer, indicating, capillary in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 6685-01-038-2451 (6685010382451)
- NIIN: 01-038-2451 (010382451)
- Item name: THERMOMETER,INDICATING,CAPILLARY
- Federal Supply Class: [FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments](https://nsnexplorer.com/fsc/6685/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABKJ | CASE DIAMETER | INCHES NOMINAL 4.620 |
| ASSP | DIAL DIAMETER | INCHES NOMINAL 3.500 |
| ATEQ | SCALE TYPE | DIAL |
| BHMC | CASE TYPE | SHOCK PROOF |
| BKCG | BULB TIP LENGTH | INCHES NOMINAL 3.000 |
| BKCM | ACTUATING MEDIUM | GAS |
| BKCT | BULB QUANTITY | 1 |
| BKCW | BULB TYPE | PLAIN RIGID |
| BKCX | BULB CONNECTION TYPE | UNION |
| BKCY | ACTIVE PORTION LENGTH | INCHES NOMINAL 3.000 |
| BKCZ | ACTIVE PORTION DIAMETER | INCHES MAXIMUM 0.377 |
| BLQF | INDICATOR CONNECTION METHOD | FLEXIBLE TUBE |
| BLQG | FLEXIBLE TUBE LENGTH | INCHES NOMINAL 120.000 |
| CRSK | BULB STYLE | — |
| CSYG | SCALE MEASUREMENT RANGE | DEG FAHRENHEIT 20.000 TO 240.000 |
| CSYJ | POINTER/PEN TYPE AND QUANTITY | INDICATING SINGLE 1 |
| MATT | MATERIAL | BULB STEEL CORROSION RESISTING |
| MATT | MATERIAL | METER CASE ALUMINUM |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3 1-2DL10FTCAPLYTXB | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 31GP-Y00U-F10Y | 049X3 | ASHCROFT INC DBA HEISE, WEKSLER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 35-T8478K-52E-000-0100-20-240F | 38056 | ASHCROFT INC DBA HEISE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-07 | [SPE4A527P0483](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685010382451) | THERMOMETER, INDICATING, CAPILLARY TUBE AN | MMC METROLOGY LAB, INC. DBA MMC METROLOGY LAB INC | $45,600.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6685010382451&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685010382451
- 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/6685-01-038-2451/
JSON: https://nsnexplorer.com/api/nsn/6685-01-038-2451.json
