The Polisher,metallurgical Specimen,, cataloged under National Stock Number 6640-01-075-1734, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Buehler Ltd.. 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. Current acquisition status: Active.
| Item Name | Polisher,metallurgical Specimen, |
| FSC / FSG | 6640 — Laboratory Equipment and Supplies (FSG 66) |
| Manufacturers | Buehler Ltd. (CAGE 09410) |
| Parameter | Value |
|---|---|
| NSN | 6640-01-075-1734 |
| Primary Part Number | 42-1500-250T |
| Item Name | Polisher,metallurgical Specimen, |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Buehler Ltd. |
| Status | ACTIVE |
| General Characteristics Item Description | MOUNTING BOLT LENGTH TO BE 0.500 IN. PLUS BENCH THICKNESS; DRILL 3 HOLE 0.375 IN. DIA ON 3.593 IN R. 120 DEG BC,USE 0.312-18 BOLTS; 50 CYCLE,725/1450 RPM,EQUIPPED WITH THREE-WIRE CORDS AND PLUGS FOR CONNECTION TO STANDARD GROUNDED TYPE RECEPTACLES; PLUMBING BOWL IS TAPPED FOR 1.000 IN. NPT DRAIN CONNECTION; OPERATION IN THE PREPARATION OF METALLOGRAPHIC,PETROGRAPHIC AND CERAMOGRAPHIC SAMPLES; MAINTENANCE,THOROUGHLY CLEANED AT REGULAR INTERVALS TO PREVENT CONTAMINATION; ATTACHMENTS WHIRLIMET 60-1528 TO CONVERT TO SEMI-AUTOMATIC,WILL SIMULTANEOUSLY PROCESS THREE 11 IN.,1.250 IN. OR 1.500 IN. SECTIONS IN THE ROUGH AND FINAL POLISHING STAGES,FOR POLISHING PETROGRAPHIC AND CERAMOGRAPHIC USE PETRO-THIN 60-1568 THIS ATTACHMENT WILL ACCEPT THREE HOLDER FOR 27 BY 46 MM PETROGRAPHIC SLIDES OR THREE DUAL-TYPE HOLDERS FOR 1.000 IN. OR 1.250 IN. ROUND SLIDES MM |
| 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 |
|---|---|
| 42-1500-250T PRIMARY | Buehler Ltd. (USA) |
NSN 6640-01-075-1734 is a Polisher,metallurgical Specimen,, manufactured by Buehler Ltd., classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-075-1734 has 1 manufacturer part number on file: 42-1500-250T (Buehler Ltd.).
Key specifications for 42-1500-250T: General Characteristics Item Description: MOUNTING BOLT LENGTH TO BE 0.500 IN. PLUS BENCH THICKNESS; DRILL 3 HOLE 0.375 IN. DIA ON 3.593 IN R. 120 DEG BC,USE 0.312-18 BOLTS; 50 CYCLE,725/1450 RPM,EQUIPPED WITH THREE-WIRE CORDS AND PLUGS FOR CONNECTION TO STANDARD GROUNDED TYPE RECEPTACLES; PLUMBING BOWL IS TAPPED FOR 1.000 IN. NPT DRAIN CONNECTION; OPERATION IN THE PREPARATION OF METALLOGRAPHIC,PETROGRAPHIC AND CERAMOGRAPHIC SAMPLES; MAINTENANCE,THOROUGHLY CLEANED AT REGULAR INTERVALS TO PREVENT CONTAMINATION; ATTACHMENTS WHIRLIMET 60-1528 TO CONVERT TO SEMI-AUTOMATIC,WILL SIMULTANEOUSLY PROCESS THREE 11 IN.,1.250 IN. OR 1.500 IN. SECTIONS IN THE ROUGH AND FINAL POLISHING STAGES,FOR POLISHING PETROGRAPHIC AND CERAMOGRAPHIC USE PETRO-THIN 60-1568 THIS ATTACHMENT WILL ACCEPT THREE HOLDER FOR 27 BY 46 MM PETROGRAPHIC SLIDES OR THREE DUAL-TYPE HOLDERS FOR 1.000 IN. OR 1.250 IN. ROUND SLIDES MM. 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.