The Filter Unit,water Purification,k, cataloged under National Stock Number 4610-01-564-8561, is classified within Federal Supply Class 4610 (Water Purification Equipment) of the Water Purification and Sewage Treatment group. The manufacturer of record is Mountain Safety Research Inc. 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 | 4610-01-564-8561 |
| Primary Part Number | 02275 |
| Item Name | Filter Unit,water Purification,k |
| FSC / FSG | 4610 / 46 — Water Purification Equipment |
| Manufacturer | Mountain Safety Research Inc |
| 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 |
|---|---|
| 02275 PRIMARY | Mountain Safety Research Inc (USA) |
NSN 4610-01-564-8561 is a Filter Unit,water Purification,k, manufactured by Mountain Safety Research Inc, classified under FSC 4610, Water Purification Equipment. Status: active.
NSN 4610-01-564-8561 has 1 manufacturer part number on file: 02275 (Mountain Safety Research Inc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-620-2959. Verify interchangeability with system specifications before substitution.
Key specifications for 02275: Overall Height: 7.500 INCHES NOMINAL IN; Overall Width: 2.000 INCHES NOMINAL IN; Special Features: WEIGHT IS 14OZ, CARTIDGE LIFE UP TO 750 LITERS DEPENDING ON CONDITIONS,IODINE FREE, PUMP FLOW RATE IS 1.25 LITERS PER MINUTE, EASY USE LEVER HAND PUMP HAS A 4 TO 1 MECHANICAL ADVANTAGE AND DUAL PUMP ACTION, HANDLE FOLDS FLAT FOR EASY PACKING AND STORAGE, PACKAGE INCLUDES; SWEETWATER PURIFICATION SYSTEM, AN 80 MICRON STAINLESS STEEL PREFILTER TWO COLOR CODED SILICONE HOSES FOAM FLOAT UNIVERSAL BOTTLE ADAPTER PLUS CLEANSIDE COVER, CLEANING BRUSH, VIRALSTOP PURIFIER SOLUTION AND STUFF SACK OZ; Part Name Assigned by Controlling Agency: SWEETWATER PURIFIER SYSTEM. 0 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.