The Filter,water Purification, cataloged under National Stock Number 4610-01-653-7804, is classified within Federal Supply Class 4610 (Water Purification Equipment) of the Water Purification and Sewage Treatment group. The manufacturer of record is Oshkosh Defense Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Filter,water Purification |
| FSC / FSG | 4610 — Water Purification Equipment (FSG 46) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Kochek Company, Llc Dba Kochek Co Inc (CAGE 0HR25) |
| Parameter | Value |
|---|---|
| NSN | 4610-01-653-7804 |
| Primary Part Number | 4184883 |
| Item Name | Filter,water Purification |
| FSC / FSG | 4610 / 46 — Water Purification Equipment |
| Manufacturer | Oshkosh Defense Llc |
| 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 |
|---|---|
| 4184883 | Oshkosh Defense Llc (USA) |
| BS45-H52 | Kochek Company, Llc Dba Kochek Co Inc (USA) |
| Reference | Meaning |
|---|---|
| ZQBS45 | 5/9 Secondary reference Kochek Company, Llc Dba Kochek Co Inc |
| BS45 REV 1 | C/1 Advisory reference — outside the item-of-supply concept Kochek Company, Llc Dba Kochek Co Inc |
| BS45 | 3/9 Design control — primary reference Kochek Company, Llc Dba Kochek Co Inc |
NSN 4610-01-653-7804 is a Filter,water Purification, manufactured by Oshkosh Defense Llc, classified under FSC 4610, Water Purification Equipment. Status: active.
NSN 4610-01-653-7804 has 2 manufacturer part numbers on file: 4184883 (Oshkosh Defense Llc), BS45-H52 (Kochek Company, Llc Dba Kochek Co Inc).
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.