The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-522-4023, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-522-4023 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| FSC Application Data | MOUNT,GUN 40MM MM |
| Opening Inside Diameter | 1.438 INCHES NOMINAL IN |
| Body Outside Diameter | 2.250 INCHES NOMINAL IN |
| Body Height | 0.562 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Style Designator | THRU-HOLE |
| Material | RUBBER SYNTHETIC BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 5224023 | 3/9 Design control — primary reference Watertown Arsenal Smiwt-Re |
NSN 5340-00-522-4023 is a Boot,dust and Moisture Seal, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-522-4023: Overall Height: 1.000 INCHES NOMINAL IN; FSC Application Data: MOUNT,GUN 40MM MM; Opening Inside Diameter: 1.438 INCHES NOMINAL IN; Body Outside Diameter: 2.250 INCHES NOMINAL IN. 7 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.