# NSN 4030-00-373-1020: Shackle

NSN 4030-00-373-1020 (also written 4030003731020; NIIN 00-373-1020) is a shackle in Federal Supply Class 4030, Fittings for Rope, Cable, and Chain. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4030-00-373-1020 (4030003731020)
- NIIN: 00-373-1020 (003731020)
- Item name: SHACKLE
- Federal Supply Class: [FSC 4030 Fittings for Rope, Cable, and Chain](https://nsnexplorer.com/fsc/4030/)
- Federal Supply Group: [FSG 40](https://nsnexplorer.com/group/40/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-11-01)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD 1ST MATERIAL RESPONSE AST- A322 OR ASSN STD 2ND MATERIAL RESPONSE AST- A576 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASSN STD 1ST TREATMENT RESPONSE AST- A153 AND FED SPEC 2ND TREATMENT RESPONSE QQ-Z-325,CL 2 AND FED SPEC 3RD TREATMENT RESPONSE QQ-Z-325,CL 2 |
| CTWJ | CLOSURE HEAD STYLE | — |
| STYL | STYLE DESIGNATOR | — |
| SFTT | SURFACE TREATMENT | ZINC OR ZINC OR CHROMATE |
| AHNV | END CONDITION | THREADED |
| AJRB | MATERIAL DIAMETER | INCHES MINIMUM 1.625 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 4B AND GRADE B AND CLASS 2 AND SIZE 1 5 TO 8INCH |
| ABPP | OPENING WIDTH | INCHES MINIMUM 2.500 AND INCHES MAXIMUM 2.750 |
| MATT | MATERIAL | STEEL OR STEEL COMP 1020 |
| BZQQ | BREAKING STRENGTH | POUNDS (LB) MINIMUM 287000.0 |
| ADJU | INSIDE LENGTH | INCHES MINIMUM 5.000 AND INCHES MAXIMUM 5.500 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| F271-A42-B2Z26 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MILS24214 | 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/) |
| RR-C-271 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RR-C-271TY4B-GRB-CL2-SZ1-5/8IN | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [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=4030003731020&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4030003731020
- 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/4030-00-373-1020/
JSON: https://nsnexplorer.com/api/nsn/4030-00-373-1020.json
