# NSN 4530-01-562-9500: Sending Unit

NSN 4530-01-562-9500 (also written 4530015629500; NIIN 01-562-9500) is a sending unit in Federal Supply Class 4530, Fuel Burning Equipment Units. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4530-01-562-9500 (4530015629500)
- NIIN: 01-562-9500 (015629500)
- Item name: SENDING UNIT
- Federal Supply Class: [FSC 4530 Fuel Burning Equipment Units](https://nsnexplorer.com/fsc/4530/)
- Federal Supply Group: [FSG 45](https://nsnexplorer.com/group/45/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-20)
- Acquisition method code: 3

## Characteristics

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

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 251-3231 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-20 | [SPE7LX21D0087/SPE7LX27FA38Q](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4530015629500) | SENDING UNIT | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $393.48 |
| 2026-09-16 | [SPE7LX21D0087/SPE7LX26FB8ZB](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4530015629500) | SENDING UNIT | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $101.61 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4530015629500&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4530015629500
- 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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