The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-378-6040, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mid-State Enterprises Inc Dba Latex Products Division Div Latex Products. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-378-6040 |
| Primary Part Number | LDF-6-247 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mid-State Enterprises Inc Dba Latex Products Division Div Latex Products |
| Status | ACTIVE |
| Opening Inside Diameter | 0.375 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE, EXPANDABLE |
| Base Outside Diameter | 2.000 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC-NATURAL 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 |
|---|---|
| LDF-6-247 PRIMARY | Mid-State Enterprises Inc Dba Latex Products Division Div Latex Products (USA) |
| Reference | Meaning |
|---|---|
| LDF-6-247 | 5/9 Secondary reference Latex Products Div Mid-State Enterprises Inc |
NSN 5340-01-378-6040 is a Boot,dust and Moisture Seal, manufactured by Mid-State Enterprises Inc Dba Latex Products Division Div Latex Products, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-378-6040 has 1 manufacturer part number on file: LDF-6-247 (Mid-State Enterprises Inc Dba Latex Products Division Div Latex Products).
Key specifications for LDF-6-247: Overall Height: 2.125 INCHES NOMINAL IN; Opening Inside Diameter: 0.375 INCHES NOMINAL IN; Style Designator: THRU-HOLE, EXPANDABLE; Base Outside Diameter: 2.000 INCHES NOMINAL IN. 4 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.