The Degreaser, cataloged under National Stock Number 4940-01-163-1850, 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 Doers Associates Llc. Government technical data includes 8 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-163-1850 |
| Primary Part Number | B-220H |
| Item Name | Degreaser |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Doers Associates Llc |
| Status | ACTIVE |
| Inside Width | 5.250 INCHES NOMINAL IN |
| Electric Motor | NOT INCLUDED |
| Inside Length | 9.250 INCHES NOMINAL IN |
| Design Type | ULTRASONIC |
| Inside Depth | 4.000 INCHES NOMINAL IN |
| Portability | PORTABLE |
| Supplementary Features | 20 TO 25 KHZ FREQ; 115 VOLT; 2.5 TO 5 WATTS/IN; SOLID STATE; SEPARATE HEATER AND GENERATOR CONTROLS; STAINLESS STEAL COVER AND TANK; PERFORATED INSERT TRAY KHz |
| Tank Capacity | 0.750 GALLONS |
| 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 |
|---|---|
| B-220H PRIMARY | Doers Associates Llc (USA) |
NSN 4940-01-163-1850 is a Degreaser, manufactured by Doers Associates Llc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-163-1850 has 1 manufacturer part number on file: B-220H (Doers Associates Llc).
1 possible match (shared part number, not a government interchangeability claim): 5925-01-563-0005. Verify interchangeability with system specifications before substitution.
Key specifications for B-220H: Inside Width: 5.250 INCHES NOMINAL IN; Electric Motor: NOT INCLUDED; Inside Length: 9.250 INCHES NOMINAL IN; Design Type: ULTRASONIC. 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.