# NSN 6665-01-645-8677: Indicator Tube, Gas

NSN 6665-01-645-8677 (also written 6665016458677; NIIN 01-645-8677) is an indicator tube, gas in Federal Supply Class 6665, Hazard-Detecting Instruments and Apparatus. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6665-01-645-8677 (6665016458677)
- NIIN: 01-645-8677 (016458677)
- Item name: INDICATOR TUBE,GAS
- Federal Supply Class: [FSC 6665 Hazard-Detecting Instruments and Apparatus](https://nsnexplorer.com/fsc/6665/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| FEAT | SPECIAL FEATURES | THIS ITEM NOT SOLD TO THE GOVERNMENT OR TO THE PUBLIC BY ITS MANUFACTURER. THEREFORE, THIS ITEM MUST BE PROCURED THROUGH A DISTRIBUTOR. |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 6733051 | 1Q3Z9 | FEDERAL RESOURCES SUPPLY COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6733051 | 53833 | DRAEGER SAFETY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6733051 | 6L622 | DRAEGER INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-03 | $80.70 | 50 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677) |
| 2026-09-01 | $79.00 | 22 | MIDLAND SCIENTIFIC INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE2DS26V9501](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677) | INDICATOR TUBE, GAS | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | $4,035.00 |
| 2026-09-01 | [SPE2DS26V9416](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677) | INDICATOR TUBE, GAS | MIDLAND SCIENTIFIC INC | $1,738.00 |
| 2026-08-05 | [SPE2DS26V8504](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677) | INDICATOR TUBE, GAS | MIDLAND SCIENTIFIC INC | $486.00 |
| 2026-08-05 | [SPE2DS26V8504](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677) | INDICATOR TUBE, GAS | MIDLAND SCIENTIFIC INC | $486.00 |
| 2026-08-05 | [SPE2DS26V8504](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677) | INDICATOR TUBE, GAS | MIDLAND SCIENTIFIC INC | $486.00 |
| 2026-08-05 | [SPE2DS26V8504](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677) | INDICATOR TUBE, GAS | MIDLAND SCIENTIFIC INC | $486.00 |
| 2026-08-05 | [SPE2DS26V8504](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677) | INDICATOR TUBE, GAS | MIDLAND SCIENTIFIC INC | $486.00 |
| 2026-08-05 | [SPE2DS26V8504](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677) | INDICATOR TUBE, GAS | MIDLAND SCIENTIFIC INC | $486.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6665016458677&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016458677
- 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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