The Machine,counterweight, cataloged under National Stock Number 4220-01-368-0235, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Rix Industries. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Machine,counterweight |
| FSC / FSG | 4220 — Marine Lifesaving and Diving Equipment (FSG 42) |
| Manufacturers | Rix Industries (CAGE 28953) |
| Parameter | Value |
|---|---|
| NSN | 4220-01-368-0235 |
| Primary Part Number | 44-D2237 |
| Item Name | Machine,counterweight |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| 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 |
|---|---|
| 44-D2237 PRIMARY | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| 44-D2237 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| D2237 | 3/9 Design control — primary reference Rix Industries |
NSN 4220-01-368-0235 is a Machine,counterweight, manufactured by Rix Industries, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-368-0235 has 1 manufacturer part number on file: 44-D2237 (Rix Industries).
1 possible match (shared part number, not a government interchangeability claim): 1650-01-375-1512. Verify interchangeability with system specifications before substitution.
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.