# NSN 4220-01-550-7740: Box Top, Regulator, Breathing Appa

NSN 4220-01-550-7740 (also written 4220015507740; NIIN 01-550-7740) is a box top, regulator, breathing appa in Federal Supply Class 4220, Marine Lifesaving and Diving Equipment. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 4220-01-550-7740 (4220015507740)
- NIIN: 01-550-7740 (015507740)
- Item name: BOX TOP,REGULATOR,BREATHING APPA
- Federal Supply Class: [FSC 4220 Marine Lifesaving and Diving Equipment](https://nsnexplorer.com/fsc/4220/)
- Federal Supply Group: [FSG 42](https://nsnexplorer.com/group/42/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | INCLUDES O-RING PART NO. 336 190 222, CIRCLIP PART NO. 336 190 255, SCREW PART NO. 460 190 300; COLOR IS BLACK |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | COVER ASSEMBLY |
| AGAV | END ITEM IDENTIFICATION | DIVATOR MKII DIVER'S MASK |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 07350083531568 | C1923 | INTERSPIRO GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 460 190 555 | 47432 | INTERSPIRO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 460190555 | C1923 | INTERSPIRO GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-11-04 | $38.00 | 34 | PHOENIX TRADING INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4220015507740) |
| 2026-08-31 | $37.41 | 21 | LARKOS PACKING AND DISTRIBUTION INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4220015507740) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-04 | [SPE8E627V0274](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4220015507740) | BOX TOP, REGULATOR, BREATHING APPARATUS | PHOENIX TRADING INC. | $1,292.00 |
| 2026-08-31 | [SPE8E526V1325](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4220015507740) | BOX TOP, REGULATOR, BREATHING APPARATUS | LARKOS PACKING AND DISTRIBUTION INC. | $785.61 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4220015507740&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4220015507740
- 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/4220-01-550-7740/
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