# NSN 4240-01-663-6647: Compensation Tube

NSN 4240-01-663-6647 (also written 4240016636647; NIIN 01-663-6647) is a compensation tube in Federal Supply Class 4240, Safety and Rescue Equipment. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4240-01-663-6647 (4240016636647)
- NIIN: 01-663-6647 (016636647)
- Item name: COMPENSATION TUBE
- Federal Supply Class: [FSC 4240 Safety and Rescue Equipment](https://nsnexplorer.com/fsc/4240/)
- Federal Supply Group: [FSG 42](https://nsnexplorer.com/group/42/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-11-08)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MD0530 | 1LEW5 | AVON PROTECTION SYSTEMS INCORPORATED DBA AVON PROTECTION SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MD0530 | 1NYY1 | CREW SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE8E6-27-T-0540 | 460 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240016636647&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240016636647&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240016636647
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/4240-01-663-6647/
JSON: https://nsnexplorer.com/api/nsn/4240-01-663-6647.json