# NSN 4310-01-547-6256: Pneumatic Muffler, Exhaust-Intake

NSN 4310-01-547-6256 (also written 4310015476256; NIIN 01-547-6256) is a pneumatic muffler, exhaust-intake in Federal Supply Class 4310, Compressors and Vacuum Pumps. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4310-01-547-6256 (4310015476256)
- NIIN: 01-547-6256 (015476256)
- Item name: PNEUMATIC MUFFLER,EXHAUST-INTAKE
- 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 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | MATERIAL, POLYPROPYLENE |
| AGAV | END ITEM IDENTIFICATION | PUMP AOD1-ABBB |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 44-284-66 | 13012 | PRICE PUMP MANUFACTURING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 44-284-66 | 3N743 | OBER-READ AND ASSOCIATES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AOD1 P/L KEY# 44 | 13012 | PRICE PUMP MANUFACTURING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE7M126P9355](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310015476256) | PNEUMATIC MUFFLER, E | — | $1,531.17 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4310015476256&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310015476256
- 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/4310-01-547-6256/
JSON: https://nsnexplorer.com/api/nsn/4310-01-547-6256.json