The Cleaner,ultrasonic, cataloged under National Stock Number 4940-01-344-3574, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Ti-Coating, Inc. Div Ti-Coating. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4940-01-344-3574 |
| Primary Part Number | 521990F |
| Item Name | Cleaner,ultrasonic |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Ti-Coating, Inc. Div Ti-Coating |
| Status | ACTIVE |
| Design Type | ULTRASONIC |
| Reference Data and Literature | SERD NO. 10D02G; MIL-M-7298 |
| Functional Description | ITEM STRIPS ALL CONTAMINANTS AND OXIDES FROM THE SURFACE AND INSIDE ANY CRACKS OR JOINTS IN THE PART TO PREPARE THE CRACK OR JOINT FOR BRAZING REPAIR; REQUIRED FOR CLEANING OF HIGH PRESSURE TURBINE NOZZLE SEGMENTS,LOW PRESSURE TURBINE NOZZLE,HPT SHROUD,AND EXHAUST NOZZLE COMPONENTS PRIOR TO APPLICATION OF THE BRAZE MATERIAL FOR ACTIVATED DIFFUSION HEALING REPAIR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 521990F PRIMARY | Ti-Coating, Inc. Div Ti-Coating (USA) |
| Reference | Meaning |
|---|---|
| PD91LPPNP013GK | 7/1 Vendor item drawing reference Ti-Coating, Inc. Div Ti-Coating |
NSN 4940-01-344-3574 is a Cleaner,ultrasonic, manufactured by Ti-Coating, Inc. Div Ti-Coating, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-344-3574 has 1 manufacturer part number on file: 521990F (Ti-Coating, Inc. Div Ti-Coating).
Key specifications for 521990F: Design Type: ULTRASONIC; Reference Data and Literature: SERD NO. 10D02G; MIL-M-7298; Special Features: C/O FURNACE,SEPERATE COOLING CHAMBER,RETORT; ITEM IS NON-PORTABLE,ELECTRIC MOTOR NOT INCLUDED,ULTRASONIC GENERATOR INCLUDED; Functional Description: ITEM STRIPS ALL CONTAMINANTS AND OXIDES FROM THE SURFACE AND INSIDE ANY CRACKS OR JOINTS IN THE PART TO PREPARE THE CRACK OR JOINT FOR BRAZING REPAIR; REQUIRED FOR CLEANING OF HIGH PRESSURE TURBINE NOZZLE SEGMENTS,LOW PRESSURE TURBINE NOZZLE,HPT SHROUD,AND EXHAUST NOZZLE COMPONENTS PRIOR TO APPLICATION OF THE BRAZE MATERIAL FOR ACTIVATED DIFFUSION HEALING REPAIR. 3 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.