# NSN 3940-01-620-0072: Hook Block Assembly

NSN 3940-01-620-0072 (also written 3940016200072; NIIN 01-620-0072) is a hook block assembly in Federal Supply Class 3940, Blocks, Tackle, Rigging, and Slings. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3940-01-620-0072 (3940016200072)
- NIIN: 01-620-0072 (016200072)
- Item name: HOOK BLOCK ASSEMBLY
- Federal Supply Class: [FSC 3940 Blocks, Tackle, Rigging, and Slings](https://nsnexplorer.com/fsc/3940/)
- Federal Supply Group: [FSG 39](https://nsnexplorer.com/group/39/)
- Acquisition method suffix code: AMSC P: the government does not own the rights to the data needed for more sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1049130 | 75535 | THE CROSBY GROUP LLC DBA THE CROSBY GROUP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3909AS1981-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-04 | $49.70 | 56 | ALLOY SLING CHAINS, LLC DBA ASC INDUSTRIES | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3940016200072) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-04 | [SPE8EE26V0919](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3940016200072) | HOOK BLOCK ASSEMBLY | ALLOY SLING CHAINS, LLC DBA ASC INDUSTRIES | $2,783.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3940016200072&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3940016200072
- 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/3940-01-620-0072/
JSON: https://nsnexplorer.com/api/nsn/3940-01-620-0072.json