The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-276-1844, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Heyco Inc Dba Heyco Products. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-276-1844 |
| Primary Part Number | 2673/CAT 183 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Heyco Inc Dba Heyco Products |
| Status | ACTIVE |
| 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 |
|---|---|
| 2673/CAT 183 PRIMARY | Heyco Inc Dba Heyco Products (USA) |
| Reference | Meaning |
|---|---|
| 215-4362821 | 5/1 Secondary reference U.S. Government activity |
| 62MP0687 | 5/1 Secondary reference Micro Plastics Inc. |
| 215-4362821, PC 42 | 5/1 Secondary reference U.S. Government activity |
| 2713/CAT.183 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5340-01-276-1844 is a Plug,protective,dust and Moistur, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-276-1844 has 1 manufacturer part number on file: 2673/CAT 183 (Heyco Inc Dba Heyco Products).
Key specifications for 2673/CAT 183: Part Name Assigned by Controlling Agency: PROTECTIVE,DUST AND MOISTURE SEAL PLUG,. 0 specifications are 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.