The Filter,serum, cataloged under National Stock Number 6640-01-468-8345, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Sarstedt, Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6640-01-468-8345 |
| Primary Part Number | 53.421.079 |
| Item Name | Filter,serum |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Sarstedt, Inc |
| Status | ACTIVE |
| Top Inside Diameter | 16.5 MILLIMETERS NOMINAL MM |
| Material | PLASTIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 53.421.079 PRIMARY | Sarstedt, Inc (USA) |
| Reference | Meaning |
|---|---|
| 98-1555 | 5/1 Secondary reference U.S. Government activity |
| 53.421.079 | 3/9 Design control — primary reference Sarstedt Inc |
NSN 6640-01-468-8345 is a Filter,serum, manufactured by Sarstedt, Inc, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-468-8345 has 1 manufacturer part number on file: 53.421.079 (Sarstedt, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-552-3554. Verify interchangeability with system specifications before substitution.
Key specifications for 53.421.079: Overall Length: 79.0 MILLIMETERS NOMINAL MM; Top Inside Diameter: 16.5 MILLIMETERS NOMINAL MM; Special Features: SERAPLAS FILTER; Part Name Assigned by Controlling Agency: FILTER SERUM PLAS 79MM O/A LG SERAPLAS MM. 2 specifications are documented in the U.S. Government catalog.
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.