# NSN 5340-01-632-1980: Clamp, Loop

NSN 5340-01-632-1980 (also written 5340016321980; NIIN 01-632-1980) is a clamp, loop in Federal Supply Class 5340, Hardware, Commercial. 5 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5340-01-632-1980 (5340016321980)
- NIIN: 01-632-1980 (016321980)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAAL | TONGUE HOLE TYPE | UNTHREADED ROUND |
| ABMK | OVERALL WIDTH | INCHES MINIMUM 0.490 AND INCHES MAXIMUM 0.510 |
| ABMZ | DIAMETER | INCHES MINIMUM 0.199 AND INCHES MAXIMUM 0.209 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.062 |
| AZCY | CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE | INCHES MINIMUM 1.141 AND INCHES MAXIMUM 1.171 |
| AZDC | DISTANCE FROM LOOP CENTER TO TONGUE END | INCHES MINIMUM 1.359 AND INCHES MAXIMUM 1.389 |
| BZTN | LOOP INSIDE DIAMETER | INCHES MINIMUM 1.298 AND INCHES MAXIMUM 1.328 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | CLAMP, LOOP TYPE, CUSHIONED, SUPPORT |
| MATT | MATERIAL | BAND ALUMINUM ALLOY 2024 |
| MATT | MATERIAL | CUSHION RUBBER FLUOROSILICONE CLASS FQ |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BAND ASSN STD SINGLE MATERIAL RESPONSE A-S-QQ-A-250 TO 5 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | CUSHION MIL SPEC SINGLE MATERIAL RESPONSE -IL-DTL-25988, CL 2, TYE II, GRADE 50 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BAND MIL SPEC SINGLE TREATMENT RESPONSE -IL-DTL-5541, CL 2 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 30-289 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 30-289J21 | 18076 | UMPCO, INC. DBA UMPCO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 30-289J21 | 83930 | TRANSDIGM INC DBA ADEL WIGGINS GROUP DIV ADEL WIGGINS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 30-289J21 | 84971 | TA AEROSPACE CO DIV TA AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 30-289J21 | 97499 | BELL TEXTRON INC | [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=5340016321980&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340016321980
- 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/5340-01-632-1980/
JSON: https://nsnexplorer.com/api/nsn/5340-01-632-1980.json