The Bath,corrosion Test,laboratory, cataloged under National Stock Number 6640-00-522-1886, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Koehler Instrument Company, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-00-522-1886 |
| Primary Part Number | K25310 |
| Item Name | Bath,corrosion Test,laboratory |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Koehler Instrument Company, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL CONSTRUCTED;O/A DIM 24 IN.HX7 IN.WX12.5 IN.DEEP,TEMP RANGE AMBIENT TO 110 DEG C,FOUR UNIT TYPE,SUPPLIED W/RUBBER STOPPERS,THERMOMETER WELL,COPPER CONDENSER,THERMOSTAT,DRAIN PLUG AND MINUS 20 DEG C TO PLUS 102 DEG C THERMOMETER,ELEC DATA 115 V,AC,50/60 HZ,500 WATTS 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 |
|---|---|
| K25310 PRIMARY | Koehler Instrument Company, Inc. (USA) |
| 66-9375 | J & H Berge, Inc. Dba Lab Mart, the Div the Labmart (USA) |
| Reference | Meaning |
|---|---|
| K253-1 | 5/9 Secondary reference Koehler Instrument Company, Inc. |
| K253-1 | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| K253-1 | 5/9 Secondary reference U.S. Government activity |
| K25310 | 5/9 Secondary reference U.S. Government activity |
| 280-349 | 5/9 Secondary reference Curtin Matheson Scientific Inc |
| KLK25310 | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| 13-420V2 | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
NSN 6640-00-522-1886 is a Bath,corrosion Test,laboratory, manufactured by Koehler Instrument Company, Inc., classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-00-522-1886 has 2 manufacturer part numbers on file: K25310 (Koehler Instrument Company, Inc.), 66-9375 (J & H Berge, Inc. Dba Lab Mart, the Div the Labmart).
1 possible match (shared part number, not a government interchangeability claim): 5990-01-013-8464. Verify interchangeability with system specifications before substitution.
Key specifications for K25310: General Characteristics Item Description: STEEL CONSTRUCTED;O/A DIM 24 IN.HX7 IN.WX12.5 IN.DEEP,TEMP RANGE AMBIENT TO 110 DEG C,FOUR UNIT TYPE,SUPPLIED W/RUBBER STOPPERS,THERMOMETER WELL,COPPER CONDENSER,THERMOSTAT,DRAIN PLUG AND MINUS 20 DEG C TO PLUS 102 DEG C THERMOMETER,ELEC DATA 115 V,AC,50/60 HZ,500 WATTS 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.