# NSN 3940-00-892-4556: Block, Tackle

NSN 3940-00-892-4556 (also written 3940008924556; NIIN 00-892-4556) is a block, tackle in Federal Supply Class 3940, Blocks, Tackle, Rigging, and Slings. 6 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 3940-00-892-4556 (3940008924556)
- NIIN: 00-892-4556 (008924556)
- Item name: BLOCK,TACKLE
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | SHEAVE THICKNESS AT RIM MIN 1.875 IN. |
| MATT | MATERIAL | BEARING COPPER ALLOY |
| MATT | MATERIAL | CENTER PIN STEEL |
| MATT | MATERIAL | SHEAVE IRON AND STEEL |
| MATT | MATERIAL | SHELL IRON AND STEEL |
| STYL | STYLE DESIGNATOR | — |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 3 |
| AMXC | MAXIMUM TACKLE DIAMETER ACCOMMODATED | INCHES 1.250 |
| AMXF | ATTACHMENT STYLE | — |
| ANNR | SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL |
| ASZD | LOAD RATING | POUNDS MAXIMUM 8000.0 |
| BYDT | BEARING TYPE | PLAIN |
| AMWZ | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| AMCL | BLOCK TYPE | SNATCH |
| AMCN | LOCKING STYLE | — |
| AMCQ | SHEAVE QUANTITY | 1 |
| AMCT | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE |
| AMRQ | SHELL LENGTH | INCHES NOMINAL 10.000 |
| AMRR | SHEAVE OUTSIDE DIAMETER | INCHES NOMINAL 5.750 |
| AMRT | CENTER PIN DIAMETER | INCHES NOMINAL 0.759 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| A-A-59809 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AA59809-6B | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GGG-B-490 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-B-2422 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| P-391-B-10IN | 75535 | THE CROSBY GROUP LLC DBA THE CROSBY GROUP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| P-391-B-GLV10IN | 75535 | THE CROSBY GROUP LLC DBA THE CROSBY GROUP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3940008924556&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3940008924556
- 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/3940-00-892-4556/
JSON: https://nsnexplorer.com/api/nsn/3940-00-892-4556.json