# NSN 5340-01-057-5501: Clamp, Loop

NSN 5340-01-057-5501 (also written 5340010575501; NIIN 01-057-5501) is a clamp, loop in Federal Supply Class 5340, Hardware, Commercial. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5340-01-057-5501 (5340010575501)
- NIIN: 01-057-5501 (010575501)
- 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 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 |
| --- | --- | --- |
| AAAL | TONGUE HOLE TYPE | UNTHREADED ROUND |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 0.516 |
| ABMZ | DIAMETER | INCHES NOMINAL 0.204 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.031 |
| AZCY | CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE | INCHES NOMINAL 0.525 |
| AZDC | DISTANCE FROM LOOP CENTER TO TONGUE END | INCHES NOMINAL 0.743 |
| BZTN | LOOP INSIDE DIAMETER | INCHES NOMINAL 0.250 |
| MATT | MATERIAL | BAND STEEL COMP 321 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BAND ASSN STD SINGLE MATERIAL RESPONSE A-S 5510 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| ST2231-04 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-02 | $2.80 | 460 | ALAMO AIRCRAFT, LTD. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340010575501) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE4A526P7783](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340010575501) | CLAMP, LOOP | ALAMO AIRCRAFT, LTD. | $1,288.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5340010575501&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340010575501
- 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/5340-01-057-5501/
JSON: https://nsnexplorer.com/api/nsn/5340-01-057-5501.json