The Cover,protective,dust and Moistu, cataloged under National Stock Number 5340-01-524-4798, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Allied Systems Company Dba Allied Systems Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-524-4798 |
| Primary Part Number | 247971 |
| Item Name | Cover,protective,dust and Moistu |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Allied Systems Company Dba Allied Systems Co |
| Status | ACTIVE |
| Closed End Overall Diameter | 21.640 INCHES MINIMUM AND 21.650 INCHES MAXIMUM IN |
| Open End Inside Diameter | 20.420 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
NSN 5340-01-524-4798 is a Cover,protective,dust and Moistu, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-524-4798 has 2 manufacturer part numbers on file: 247971 (Allied Systems Company Dba Allied Systems Co), P1731 (Kinematics Mfg Inc).
Key specifications for 247971: Closed End Overall Diameter: 21.640 INCHES MINIMUM AND 21.650 INCHES MAXIMUM IN; Special Features: DIA OF BOLT CIRCLE IS 18.875 INCHES, NOMINAL;THERE ARE 20 0.688 INCH THRU BOLT HOLES;MFR NAME FOR ITEM IS "PLATE,SEAL" IN; Open End Inside Diameter: 20.420 INCHES NOMINAL IN; End Item Identification: CRANE. 3 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.