The Ultrasonic Cleaning Machine, cataloged under National Stock Number 4940-01-285-8121, 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 Blue Wave Ultrasonics Inc. Government technical data includes 1 specification, 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 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 | 4940-01-285-8121 |
| Primary Part Number | 100900-1 |
| Item Name | Ultrasonic Cleaning Machine |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Blue Wave Ultrasonics Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 25X40X24IN DEEP CLEANING CHAMBER,RECIRCULATING FILTER/HEATER SYSTEM,0-60 MINUTE TIMER,FILL SOLENOID AND MANUAL DRAIN VALVE |
| 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 |
|---|---|
| 100900-1 PRIMARY | Blue Wave Ultrasonics Inc (USA) |
NSN 4940-01-285-8121 is a Ultrasonic Cleaning Machine, manufactured by Blue Wave Ultrasonics Inc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-285-8121 has 1 manufacturer part number on file: 100900-1 (Blue Wave Ultrasonics Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5675-01-515-9138, 6240-01-527-5704, 5935-01-707-4047. Verify interchangeability with system specifications before substitution.
Key specifications for 100900-1: General Characteristics Item Description: 25X40X24IN DEEP CLEANING CHAMBER,RECIRCULATING FILTER/HEATER SYSTEM,0-60 MINUTE TIMER,FILL SOLENOID AND MANUAL DRAIN VALVE; End Item Identification: SONIC ENERGY CLEANING SYSTEM. 1 specification is 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.