# NSN 4310-01-571-1686: Compression Asy 4TH

NSN 4310-01-571-1686 (also written 4310015711686; NIIN 01-571-1686) is a compression asy 4th in Federal Supply Class 4310, Compressors and Vacuum Pumps. 6 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 4310-01-571-1686 (4310015711686)
- NIIN: 01-571-1686 (015711686)
- Item name: COMPRESSION ASY 4TH
- Federal Supply Class: [FSC 4310 Compressors and Vacuum Pumps](https://nsnexplorer.com/fsc/4310/)
- Federal Supply Group: [FSG 43](https://nsnexplorer.com/group/43/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | BOOST COMPRESSION ASSEMBLY |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | COMPRESSION ASSY, 1 INCH CYLINDER SIZE, 2V3/3, NGEN-30S |
| FEAT | SPECIAL FEATURES | COMPRESSOR. SSR NAME IS COMPRESSION ASY 4TH |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| A1-B8742 OXYGEN CLEAN | 28953 | RIX INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A1-B8742 OXYGEN CLEAN CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B8745 ITEM 14 OXYGEN CLEAN | 28953 | RIX INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B8745 ITEM 14 OXYGEN CLEAN CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| XMA1-B8742 | 28953 | RIX INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| XMA1-B8742 OXYGEN CLEAN | 28953 | RIX INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-05 | [SPE7M125P5515](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310015711686) | COMPRESSION ASY 4TH | ECI DEFENSE GROUP, INC. DIV ECI-GA | $10,785.57 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4310015711686&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310015711686
- 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/4310-01-571-1686/
JSON: https://nsnexplorer.com/api/nsn/4310-01-571-1686.json