# NSN 4920-01-502-2944: Pressure Bulb Assembly

NSN 4920-01-502-2944 (also written 4920015022944; NIIN 01-502-2944) is a pressure bulb assembly in Federal Supply Class 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4920-01-502-2944 (4920015022944)
- NIIN: 01-502-2944 (015022944)
- Item name: PRESSURE BULB ASSEMBLY
- Federal Supply Class: [FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment](https://nsnexplorer.com/fsc/4920/)
- Federal Supply Group: [FSG 49](https://nsnexplorer.com/group/49/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | F-15 AIRCRAFT |
| FEAT | SPECIAL FEATURES | USED ON LITTON P/N 3300223-6002, TESTER, FIELD, PBG OXYGEN REGULATOR (PNEUMATIC) CAGE CODE 99251 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3308337 | 99251 | MISSION SYSTEMS DAVENPORT INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3308337-1 | 99251 | MISSION SYSTEMS DAVENPORT INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M4-27-T-1339 | 16 | 2026-10-26 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4920015022944&category=nsn) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7L126P9F90](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4920015022944) | PRESSURE BULB ASSEM | ECI DEFENSE GROUP, INC. DIV ECI-GA | $78,186.64 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4920015022944&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4920015022944
- 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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