The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-524-9270, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-524-9270 |
| Primary Part Number | L5400528-003-00 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Opening Inside Diameter | 1.700 INCHES NOMINAL IN |
| Mounting Method | COMPRESSION |
| Criticality Code Justification | FEAT |
| Style Designator | THRU-HOLE |
| Material Document and Classification | ST0130AB0075 MFR REF SINGLE MATERIAL RESPONSE BODY |
| Base Inside Diameter | 1.920 INCHES NOMINAL IN |
| Material | RUBBER SILICONE BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| L5400528-003-00 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| L5400528-003-00 | 3/2 Design control — primary reference U.S. Government activity |
| L5400528-003 | 5/9 Secondary reference U.S. Government activity |
| L5400528-003 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 5340-01-524-9270 is a Boot,dust and Moisture Seal, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-524-9270 has 1 manufacturer part number on file: L5400528-003-00 (The Boeing Company Div Legacy Am&m).
Key specifications for L5400528-003-00: Overall Height: 1.930 INCHES NOMINAL IN; Opening Inside Diameter: 1.700 INCHES NOMINAL IN; Mounting Method: COMPRESSION; Criticality Code Justification: FEAT. 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.