The Extractor,block,heater, cataloged under National Stock Number 6640-01-290-5449, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is A. Daigger and Company, Incorporated Dba Eta Hand2mind. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6640-01-290-5449 |
| Primary Part Number | A000902 |
| Item Name | Extractor,block,heater |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | A. Daigger and Company, Incorporated Dba Eta Hand2mind |
| Status | ACTIVE |
| General Characteristics Item Description | USED TO FACILITATE INSERTION OR REMOVAL OF HEATING BLOCK MODULES; END ITEM INCUBATOR,DRY HEAT; NSN 6640-01-271-4094 |
| 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 |
|---|---|
| A000902 PRIMARY | A. Daigger and Company, Incorporated Dba Eta Hand2mind (USA) |
| Reference | Meaning |
|---|---|
| 110906 | 5/9 Secondary reference Ace Scientific Supply Co Inc |
NSN 6640-01-290-5449 is a Extractor,block,heater, manufactured by A. Daigger and Company, Incorporated Dba Eta Hand2mind, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-290-5449 has 1 manufacturer part number on file: A000902 (A. Daigger and Company, Incorporated Dba Eta Hand2mind).
2 possible matches (shared part number, not a government interchangeability claim): 5815-01-364-9639, 4730-01-674-8556. Verify interchangeability with system specifications before substitution.
Key specifications for A000902: General Characteristics Item Description: USED TO FACILITATE INSERTION OR REMOVAL OF HEATING BLOCK MODULES; END ITEM INCUBATOR,DRY HEAT; NSN 6640-01-271-4094; Part Name Assigned by Controlling Agency: EXTRACTOR BLOCK HEATER END ITEM NSN 6640-01-271-4094. 1 specification is 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.