# NSN 6850-01-538-1756: Inspection Penetrant

NSN 6850-01-538-1756 (also written 6850015381756; NIIN 01-538-1756) is an inspection penetrant in Federal Supply Class 6850, Miscellaneous Chemical Specialties. 5 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 6850-01-538-1756 (6850015381756)
- NIIN: 01-538-1756 (015381756)
- Item name: INSPECTION PENETRANT
- Federal Supply Class: [FSC 6850 Miscellaneous Chemical Specialties](https://nsnexplorer.com/fsc/6850/)
- Federal Supply Group: [FSG 68](https://nsnexplorer.com/group/68/)
- Acquisition method suffix code: AMSC T: handled under qualified products list procedures. (observed 2026-11-02)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | NOT RECOMMENDED FOR PLASTIC MATERIAL. RED IN COLOR WITH BLAND, OILY ODOR. MINIMUM PENETRATION TIME IS 2 TO 5 MINUTES AND SHOULD BE USED BETWEEN 40'F AND 125'F. COVERS ABOUT 65 SQUARE FEET BY VOLUME |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 2 AND METHOD C |
| AKKF | QUANTITY WITHIN EACH UNIT PACKAGE | OUNCES 16.0 |
| CNFQ | PENETRANT TYPE FOR WHICH DESIGNED | NONFLUORESCENT |
| ARAW | MINIMUM FLASH POINT | DEG CELSIUS 93.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AMS 2644 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AMS 2644 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AMS 2644 TYPE II METHOD C | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AMS 2644 TYPE II METHOD C | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SKL-WP | 37676 | ILLINOIS TOOL WORKS, INC. DIV MAGNAFLUX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-20 | [SPE4AX26D9000/SPE4A726FZ16E](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6850015381756) | INSPECTION PENETRAN | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $234.12 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6850015381756&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6850015381756
- 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.

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