# NSN 5342-01-194-3131: Lock, Couplex

NSN 5342-01-194-3131 (also written 5342011943131; NIIN 01-194-3131) is a lock, couplex in Federal Supply Class 5342, Hardware, Weapon System. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5342-01-194-3131 (5342011943131)
- NIIN: 01-194-3131 (011943131)
- Item name: LOCK,COUPLEX
- Federal Supply Class: [FSC 5342 Hardware, Weapon System](https://nsnexplorer.com/fsc/5342/)
- 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: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | STEEL CORROSION RESISTING AND ALUMINUM |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALUMINUM; 2.120 IN. W; HAS 0.310 IN. DIA BY 3.000 IN. LG STEEL (CRES) PIN; TWO 0.250-28 UNF 2B RH TAPPED HOLES |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| CL2814-1 | 08844 | MARATHONNORCO AEROSPACE, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CL2814-1 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | [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=5342011943131&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5342011943131
- 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/5342-01-194-3131/
JSON: https://nsnexplorer.com/api/nsn/5342-01-194-3131.json