The Filter,safety Aid,pipet, cataloged under National Stock Number 6640-01-504-1856, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Corning Incorporated Dba Corning Incorporated. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-504-1856 |
| Primary Part Number | 4251 |
| Item Name | Filter,safety Aid,pipet |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Corning Incorporated Dba Corning Incorporated |
| Status | ACTIVE |
| Absorbent Pad | NOT INCLUDED |
| Unit Package Type | BAG |
| Unit Package Quantity | 50 |
| Load Capacity | 25.0 MILLILITERS |
| Material | PLASTIC |
| Grid Markings | NOT INCLUDED |
| 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 |
|---|---|
| 4251 PRIMARY | Corning Incorporated Dba Corning Incorporated (USA) |
NSN 6640-01-504-1856 is a Filter,safety Aid,pipet, manufactured by Corning Incorporated Dba Corning Incorporated, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-504-1856 has 1 manufacturer part number on file: 4251 (Corning Incorporated Dba Corning Incorporated).
Key specifications for 4251: Absorbent Pad: NOT INCLUDED; Unit Package Type: BAG; Unit Package Quantity: 50; Load Capacity: 25.0 MILLILITERS. 6 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.