# NSN 1560-00-004-4052: Block Assembly

NSN 1560-00-004-4052 (also written 1560000044052; NIIN 00-004-4052) is a block assembly in Federal Supply Class 1560, Airframe Structural Components. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 1560-00-004-4052 (1560000044052)
- NIIN: 00-004-4052 (000044052)
- Item name: BLOCK ASSEMBLY
- Federal Supply Class: [FSC 1560 Airframe Structural Components](https://nsnexplorer.com/fsc/1560/)
- Federal Supply Group: [FSG 15](https://nsnexplorer.com/group/15/)
- Acquisition method suffix code: AMSC Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-13)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | CUSHION,2.625 IN. LG,0.719 IN. W,0.500 IN. H,4 0.250 IN. DIA HOLES EVENLY SPACED ALONG LG,CHANNEL,2 REQUIRED,2.625 IN. LG,0.047 IN. THK MATERIAL,2 0.221 IN. DIA HOLES EA CHANNEL EVENLY SPACED 2.062 IN. APART |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| S1565-61839-003 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S1565-61839-3 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-1563 | 49 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1560000044052&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1560000044052&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1560000044052
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/1560-00-004-4052/
JSON: https://nsnexplorer.com/api/nsn/1560-00-004-4052.json
