# NSN 4720-01-031-1098: Hose Assembly, Air Duct

NSN 4720-01-031-1098 (also written 4720010311098; NIIN 01-031-1098) is a hose assembly, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4720-01-031-1098 (4720010311098)
- NIIN: 01-031-1098 (010311098)
- Item name: HOSE ASSEMBLY,AIR DUCT
- Federal Supply Class: [FSC 4720 Hose and Flexible Tubing](https://nsnexplorer.com/fsc/4720/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AAGT | WALL THICKNESS | INCHES MAXIMUM 0.575 |
| AARX | INSIDE DIAMETER | FIRST END INCHES NOMINAL 6.850 |
| AWLS | CONNECTION TYPE | FIRST END COUPLING |
| CRXX | MEASURING METHOD AND LENGTH | INCHES NOMINAL OVERALL 9.500 |
| CXMG | COUPLING STYLE | — |
| MATT | MATERIAL | THIRD PLY FIBERGLASS AND RUBBER SILICONE CLASS Q |
| MATT | MATERIAL | REINFORCING WIRE STEEL |
| MATT | MATERIAL | SECOND PLY FIBERGLASS AND RUBBER SILICONE CLASS Q |
| MATT | MATERIAL | FIRST PLY FIBERGLASS AND RUBBER SILICONE CLASS Q |
| SFTT | SURFACE TREATMENT | FIRST END COUPLING ANODIZE |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| BE661 | 05399 | BEMCO, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BE661-15 | 05399 | BEMCO, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-06 | [SPE7M127V0161](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720010311098) | HOSE ASSEMBLY, AIR D | S I T CORPORATION | $18,820.92 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720010311098&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720010311098
- 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/4720-01-031-1098/
JSON: https://nsnexplorer.com/api/nsn/4720-01-031-1098.json