The Dispenser,pipette, cataloged under National Stock Number 6640-01-466-3563, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Fisher Scientific Company L.l.c.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-466-3563 |
| Primary Part Number | 21-169-20B |
| Item Name | Dispenser,pipette |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Fisher Scientific Company L.l.c. |
| Status | ACTIVE |
| 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 |
|---|---|
| 21-169-20B PRIMARY | Fisher Scientific Company L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 98-1434 | 5/1 Secondary reference U.S. Government activity |
| 3-000-525 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6640-01-466-3563 is a Dispenser,pipette, manufactured by Fisher Scientific Company L.l.c., classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-466-3563 has 1 manufacturer part number on file: 21-169-20B (Fisher Scientific Company L.l.c.).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-536-8516, 5935-01-663-0760. Verify interchangeability with system specifications before substitution.
Key specifications for 21-169-20B: Special Features: POSITIVE DISPLACEMENT PIPETTER; DIGITAL; VISUAL CHECK FOR GLASS BORE SEATING; COLOR CODED MARK ON BORE LINES UP W/PLUNGER AT FULL CAPACITY IN 10 MICROMILLILITER SIZE; DIGITAL P-D MICRODISPENSER; Part Name Assigned by Controlling Agency: DISPENSER PIPETTE POSITIVE DISPLACEMENT PIPETTER DIGITAL. 0 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.