The Vacuum Pump,laborat, cataloged under National Stock Number 6640-00-461-2932, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Vacuum Pump,laborat |
| FSC / FSG | 6640 — Laboratory Equipment and Supplies (FSG 66) |
| Manufacturers | Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation (CAGE 08071); Merck Merck Pty Ltd (CAGE Z3414) |
| Parameter | Value |
|---|---|
| NSN | 6640-00-461-2932 |
| Primary Part Number | XX55 220 50 |
| Item Name | Vacuum Pump,laborat |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| XX55 220 50 PRIMARY | Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation (USA) |
| WP6122050 | Merck Merck Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| XX60 220 50 | 5/9 Secondary reference Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation |
NSN 6640-00-461-2932 is a Vacuum Pump,laborat, manufactured by Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-00-461-2932 has 2 manufacturer part numbers on file: XX55 220 50 (Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation), WP6122050 (Merck Merck Pty Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 4310-01-169-1621, 4310-01-544-2397. 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.