The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-529-0299, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Cinch Connectivity Solutions Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-529-0299 |
| Primary Part Number | OPN-2189-CX-7MM-02 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Cinch Connectivity Solutions Inc |
| Status | ACTIVE |
| Round Cap Outside Surface Condition | RIBBED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| OPN-2189-CX-7MM-02 PRIMARY | Cinch Connectivity Solutions Inc (USA) |
| Reference | Meaning |
|---|---|
| 2057AS047-01 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 2057AS047 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5340-01-529-0299 is a Cap,protective,dust and Moisture, manufactured by Cinch Connectivity Solutions Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-529-0299 has 1 manufacturer part number on file: OPN-2189-CX-7MM-02 (Cinch Connectivity Solutions Inc).
Key specifications for OPN-2189-CX-7MM-02: Special Features: 3.5-INCH BEAD CHAIN; 7MM CONNECTOR MM; End Item Identification: CONSOLIDATED AUTOMATED SUPPORT SYSTEM (CASS); Round Cap Outside Surface Condition: RIBBED. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.