The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-00-817-9049, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Niagara Plastics L.l.c.. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-817-9049 |
| Primary Part Number | WF-41 |
| Item Name | Cap-Plug,protective,dust and Moi |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Niagara Plastics L.l.c. |
| Status | ACTIVE |
| Closed End Overall Diameter | 2.685 INCHES NOMINAL IN |
| Length Under Shoulder | 1.000 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | NO. NAS816-45-A TYPE |
| Open End Inside Diameter | 2.916 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| WF-41 | Niagara Plastics L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| NAS816-45A | 3/2 Design control — primary reference U.S. Government activity |
| NAS816-268 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5340-00-817-9049 is a Cap-Plug,protective,dust and Moi, manufactured by Niagara Plastics L.l.c., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-817-9049 has 1 manufacturer part number on file: WF-41 (Niagara Plastics L.l.c.).
1 possible match (shared part number, not a government interchangeability claim): 1410-01-725-5624. Verify interchangeability with system specifications before substitution.
Key specifications for WF-41: Closed End Overall Diameter: 2.685 INCHES NOMINAL IN; Length Under Shoulder: 1.000 INCHES NOMINAL IN; Nondefinitive Spec/std Data: NO. NAS816-45-A TYPE; Open End Inside Diameter: 2.916 INCHES NOMINAL IN. 5 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.