The Heater,residue Detection, cataloged under National Stock Number 6640-01-454-9229, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Weber Scientific, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-01-454-9229 |
| Primary Part Number | 3903-00 |
| Item Name | Heater,residue Detection |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Weber Scientific, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | PORTABLE; HOLDS TWO SNAP DEVICES; USED FOR THE SCREENING DETECTION OF PENICILLIN G, AMPICILLIN, CEPHAPIRIN, AMOXICILLIN, CLOXACILLIN, AND CEFTIOFUR RESIDUES IN RAW WHOLE MILK; 110 V AC; FOR ARMY SEE NUMBER 6640-00-C07-6039 V |
| 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 |
|---|---|
| 3903-00 PRIMARY | Weber Scientific, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 98-0074 | 5/1 Secondary reference U.S. Government activity |
| SNAP | 5/1 Secondary reference Weber Scientific, Inc. |
NSN 6640-01-454-9229 is a Heater,residue Detection, manufactured by Weber Scientific, Inc., classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-454-9229 has 1 manufacturer part number on file: 3903-00 (Weber Scientific, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-711-1178. Verify interchangeability with system specifications before substitution.
Key specifications for 3903-00: General Characteristics Item Description: PORTABLE; HOLDS TWO SNAP DEVICES; USED FOR THE SCREENING DETECTION OF PENICILLIN G, AMPICILLIN, CEPHAPIRIN, AMOXICILLIN, CLOXACILLIN, AND CEFTIOFUR RESIDUES IN RAW WHOLE MILK; 110 V AC; FOR ARMY SEE NUMBER 6640-00-C07-6039 V; Part Name Assigned by Controlling Agency: HEATER RESIDUE DETE PORTABLE HOLDS 2 SNAP DEVICES 110V AC V. 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.