The Paper,filter, cataloged under National Stock Number 6640-01-352-0529, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Paper,filter |
| FSC / FSG | 6640 — Laboratory Equipment and Supplies (FSG 66) |
| Parameter | Value |
|---|---|
| NSN | 6640-01-352-0529 |
| Item Name | Paper,filter |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Reference | Meaning |
|---|---|
| 1001-185 | 5/9 Secondary reference Parker-Hannifin Corporation Filtration and Separation Division Dba Filtration & Separation |
| 1001-185 | 3/9 Design control — primary reference Parker Hannifin Corp |
NSN 6640-01-352-0529 is a Paper,filter, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6685-01-438-6660, 5340-01-533-3399. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.