# NSN 4520-01-590-6085: Elbow, Air Conditioning-Heating

NSN 4520-01-590-6085 (also written 4520015906085; NIIN 01-590-6085) is an elbow, air conditioning-heating in Federal Supply Class 4520, Space and Water Heating Equipment. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4520-01-590-6085 (4520015906085)
- NIIN: 01-590-6085 (015906085)
- Item name: ELBOW,AIR CONDITIONING-HEATING
- Federal Supply Class: [FSC 4520 Space and Water Heating Equipment](https://nsnexplorer.com/fsc/4520/)
- 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 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 2410-01-565-2603 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | FITTING AS-A/C |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3E6812 | 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 |
| --- | --- | --- | --- | --- |
| 2026-08-14 | [SPE7LX21D0087/SPE7LX26FB6E6](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520015906085) | ELBOW, AIR CONDITIONING-HEATING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $116.40 |
| 2026-08-14 | [SPE7LX21D0087/SPE7LX26FB8M3](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520015906085) | ELBOW, AIR CONDITIONING-HEATING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $116.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4520015906085&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520015906085
- 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/4520-01-590-6085/
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