The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-198-7577, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-198-7577 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| FSC Application Data | PUMP ASSY,HYDRAULIC HANDLE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.875 INCHES NOMINAL IN |
| Opening Inside Diameter | 1.656 INCHES NOMINAL IN |
| Body Outside Diameter | 2.625 INCHES NOMINAL IN |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) |
| Body Height | 2.187 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE |
| Mounting Hole Diameter | 0.187 INCHES NOMINAL IN |
| Base Overall Length | 5.438 INCHES NOMINAL IN |
| Material Thickness | 0.094 INCHES NOMINAL IN |
| Mounting Device Quantity | 1 AND 4 |
| Base Height | 0.438 INCHES NOMINAL IN |
| Base Width | 4.000 INCHES NOMINAL IN |
| Base Inside Diameter | 4.312 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.406 INCHES NOMINAL IN |
| Material | RUBBER SILICONE BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4108434 | 5/9 Secondary reference The Boeing Company |
| 4108434 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-198-7577 is a Boot,dust and Moisture Seal, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-198-7577: Overall Height: 4.125 INCHES NOMINAL IN; FSC Application Data: PUMP ASSY,HYDRAULIC HANDLE; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.875 INCHES NOMINAL IN; Opening Inside Diameter: 1.656 INCHES NOMINAL IN. 16 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.
NSN 5340-00-198-7577 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.