# NSN 5340-01-066-0691: Clamp, Loop

NSN 5340-01-066-0691 (also written 5340010660691; NIIN 01-066-0691) is a clamp, loop in Federal Supply Class 5340, Hardware, Commercial. 9 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5340-01-066-0691 (5340010660691)
- NIIN: 01-066-0691 (010660691)
- Item name: CLAMP,LOOP
- Federal Supply Class: [FSC 5340 Hardware, Commercial](https://nsnexplorer.com/fsc/5340/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAAL | TONGUE HOLE TYPE | UNTHREADED ROUND |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 0.500 |
| ABMZ | DIAMETER | INCHES NOMINAL 0.204 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.047 AND INCHES MAXIMUM 0.053 |
| AZCY | CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE | INCHES MINIMUM 1.315 AND INCHES MAXIMUM 1.345 |
| AZDC | DISTANCE FROM LOOP CENTER TO TONGUE END | INCHES MINIMUM 1.533 AND INCHES MAXIMUM 1.563 |
| BZTN | LOOP INSIDE DIAMETER | INCHES MINIMUM 1.798 AND INCHES MAXIMUM 1.828 |
| MATT | MATERIAL | BAND ALUMINUM ALLOY 2024 |
| MATT | MATERIAL | CUSHION PLASTIC POLYTETRAFLUOROETHYLENE |
| SFTT | SURFACE TREATMENT | BAND ANODIZE |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 477-29 | 83930 | TRANSDIGM INC DBA ADEL WIGGINS GROUP DIV ADEL WIGGINS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5340PL0847211 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5340PL1825384 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C2874D29 | 18076 | UMPCO, INC. DBA UMPCO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C2874D29 | 22175 | J & M PRODUCTS, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C2874D29 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C2874D29 | 83930 | TRANSDIGM INC DBA ADEL WIGGINS GROUP DIV ADEL WIGGINS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C2874D29 | 84971 | TA AEROSPACE CO DIV TA AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| JM44LC9D29T | 22175 | J & M PRODUCTS, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE7L126P6133](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340010660691) | CLAMP, LOOP | — | $859.36 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5340010660691&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340010660691
- 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/5340-01-066-0691/
JSON: https://nsnexplorer.com/api/nsn/5340-01-066-0691.json