The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-666-5526, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-666-5526 |
| Primary Part Number | 69EC0750 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 69EC0750 PRIMARY | Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 69EC0750 | 3/9 Design control — primary reference Hdt Expeditionary Systems, Inc. |
NSN 5340-01-666-5526 is a Cap,protective,dust and Moisture, manufactured by Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-666-5526 has 1 manufacturer part number on file: 69EC0750 (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc).
Key specifications for 69EC0750: Part Name Assigned by Controlling Agency: CAP, END, ROUND, .75 OD TUBE. 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.