The Polisher,metallurgical Specimen,, cataloged under National Stock Number 6640-01-075-1735, 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 | 6640-01-075-1735 |
| Primary Part Number | 44-1502-250T |
| Item Name | Polisher,metallurgical Specimen, |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Buehler Ltd. |
| Status | ACTIVE |
| General Characteristics Item Description | 12 IN STANDING MODEL WITH BRONZE WHEEL; STANDARD PLUG FOR GROUNDED TYPE RECEPTACLES,60 CYCLE 155/233 RPM,50 CYCLE 190/290 RPM SPINDLE SPEED; DUAL-SPEED MOTOR HAS A LOW AND HIGH SPEED WINDING,BUT NO STARTING WINDING,MUST SWITCH TO LOW THEN HIGH; PLUMBING BOWL ON 12 IN. MODEL ARE TAPPED FOR 1-1/4 IN. NPT DRAIN; LUBRICANT SHOULD BE DRAINED EVERY 750 HOUR OF NORMAL USE,EVERY 500 HOUR FOR HEAVY USE; 12 IN LOW SPEED POLISHER/GRINDER MAY BE ADAPTED FOR AUTOMET BY USING NO 60-2052 INDEXING SPLASH RING; AUTOMET WILL SIMULTANEOUSLY PROCESS SIX 1.000 IN.,FIVE 1.250 IN. OR THREE 1.500 IN. SPECIMEN IN THE ROUGH AND FINAL POLISHING STAGES IN |
| 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 |
|---|---|
| 44-1502-250T PRIMARY | Buehler Ltd. (USA) |
NSN 6640-01-075-1735 is a Polisher,metallurgical Specimen,, manufactured by Buehler Ltd., classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-075-1735 has 1 manufacturer part number on file: 44-1502-250T (Buehler Ltd.).
Key specifications for 44-1502-250T: General Characteristics Item Description: 12 IN STANDING MODEL WITH BRONZE WHEEL; STANDARD PLUG FOR GROUNDED TYPE RECEPTACLES,60 CYCLE 155/233 RPM,50 CYCLE 190/290 RPM SPINDLE SPEED; DUAL-SPEED MOTOR HAS A LOW AND HIGH SPEED WINDING,BUT NO STARTING WINDING,MUST SWITCH TO LOW THEN HIGH; PLUMBING BOWL ON 12 IN. MODEL ARE TAPPED FOR 1-1/4 IN. NPT DRAIN; LUBRICANT SHOULD BE DRAINED EVERY 750 HOUR OF NORMAL USE,EVERY 500 HOUR FOR HEAVY USE; 12 IN LOW SPEED POLISHER/GRINDER MAY BE ADAPTED FOR AUTOMET BY USING NO 60-2052 INDEXING SPLASH RING; AUTOMET WILL SIMULTANEOUSLY PROCESS SIX 1.000 IN.,FIVE 1.250 IN. OR THREE 1.500 IN. SPECIMEN IN THE ROUGH AND FINAL POLISHING STAGES IN. 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.