The Tube and Flue Cleaner,boiler,int, cataloged under National Stock Number 4940-00-224-7780, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-00-224-7780 |
| Item Name | Tube and Flue Cleaner,boiler,int |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Tube Accommodation Outside Diameter | 2.000 INCHES NOMINAL IN |
| Hose Diameter | 0.375 INCHES NOMINAL IN |
| Design Type | CURVED |
| Power Source | AIR MOTOR |
| Nondefinitive Spec/std Data | 2 SIZE |
| Application Type | WATER TUBE |
| Operation Method | POWERED |
| Hose Length | 300.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| X66C0MP | 5/9 Secondary reference Indresco Inc Industrial Tool Div |
| D667NA | 5/1 Secondary reference Elliott Company Div Jeannette |
| MDLC10EQUIPMENT | 5/9 Secondary reference Thomas C. Wilson, Inc. Dba Thomas C Wilson |
| MILC17370SIZE2 | 2/2 Government specification standardization U.S. Government activity |
| MIL-T-17370 | 4/1 Identification reference U.S. Government activity |
| C8SPECIAL | C/1 Advisory reference — outside the item-of-supply concept Thomas C. Wilson, Inc. Dba Thomas C Wilson |
| C10-2799 | 5/1 Secondary reference Elliott Tool Technologies Ltd. |
NSN 4940-00-224-7780 is a Tube and Flue Cleaner,boiler,int, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4940-00-224-7781, 4940-00-242-8639, 5950-00-501-2073. Verify interchangeability with system specifications before substitution.
Key specifications for 4940-00-224-7780: Tube Accommodation Outside Diameter: 2.000 INCHES NOMINAL IN; Hose Diameter: 0.375 INCHES NOMINAL IN; Design Type: CURVED; Power Source: AIR MOTOR. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.