The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-468-0807, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Efdyn Inc. Government technical data includes 6 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-468-0807 |
| Primary Part Number | 1-3221-0-01 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Efdyn Inc |
| Status | ACTIVE |
| Opening Inside Diameter | 3.235 INCHES MINIMUM AND 3.265 INCHES MAXIMUM IN |
| Body Outside Diameter | 4.485 INCHES MINIMUM AND 4.515 INCHES MAXIMUM IN |
| Body Height | 4.610 INCHES MINIMUM AND 4.640 INCHES MAXIMUM IN |
| Style Designator | THRU-HOLE, EXPANDABLE |
| Material Thickness | 0.033 INCHES NOMINAL IN |
| Material | COTTON BODY |
| 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 |
|---|---|
| 1-3221-0-01 PRIMARY | Efdyn Inc (USA) |
NSN 5340-01-468-0807 is a Boot,dust and Moisture Seal, manufactured by Efdyn Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-468-0807 has 1 manufacturer part number on file: 1-3221-0-01 (Efdyn Inc).
Key specifications for 1-3221-0-01: Overall Height: 5.734 INCHES MINIMUM AND 5.764 INCHES MAXIMUM IN; Opening Inside Diameter: 3.235 INCHES MINIMUM AND 3.265 INCHES MAXIMUM IN; Body Outside Diameter: 4.485 INCHES MINIMUM AND 4.515 INCHES MAXIMUM IN; Body Height: 4.610 INCHES MINIMUM AND 4.640 INCHES MAXIMUM IN. 6 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.