# NSN 4030-01-255-6640: Shackle

NSN 4030-01-255-6640 (also written 4030012556640; NIIN 01-255-6640) is a shackle in Federal Supply Class 4030, Fittings for Rope, Cable, and Chain. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4030-01-255-6640 (4030012556640)
- NIIN: 01-255-6640 (012556640)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABPP | OPENING WIDTH | INCHES NOMINAL 1.750 |
| ADJU | INSIDE LENGTH | INCHES NOMINAL 7.000 |
| AHNV | END CONDITION | THREADED |
| AJRB | MATERIAL DIAMETER | INCHES NOMINAL 2.875 |
| AZAF | LOCKING DEVICE TYPE | COTTER PIN |
| BZQQ | BREAKING STRENGTH | POUNDS (LB) NOMINAL 17600.0 |
| CTWJ | CLOSURE HEAD STYLE | — |
| MATT | MATERIAL | STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED SPEC SINGLE MATERIAL RESPONSE RR-C-271 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1021138 | 75535 | THE CROSBY GROUP LLC DBA THE CROSBY GROUP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| G2140-40 | 75535 | THE CROSBY GROUP LLC DBA THE CROSBY GROUP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-28 | $734.76 | 16 | ALLOY SLING CHAINS, LLC DBA ASC INDUSTRIES | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4030012556640) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE4A526V2180](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4030012556640) | SHACKLE | ALLOY SLING CHAINS, LLC DBA ASC INDUSTRIES | $11,756.16 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4030012556640&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4030012556640
- 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/4030-01-255-6640/
JSON: https://nsnexplorer.com/api/nsn/4030-01-255-6640.json