The Furnace,muffle,laboratory, cataloged under National Stock Number 6640-01-169-0176, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Preiser Scientific Inc. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-169-0176 |
| Primary Part Number | 90-8251-01 |
| Item Name | Furnace,muffle,laboratory |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Preiser Scientific Inc |
| Status | ACTIVE |
| Current Type | AC |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Heating Method | ELECTRICAL |
| Voltage Rating | 110.0 VOLTS NOMINAL |
| 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 |
|---|---|
| 90-8251-01 PRIMARY | Preiser Scientific Inc (USA) |
| Reference | Meaning |
|---|---|
| 90-8247-01 | 5/9 Secondary reference Preiser Scientific Inc |
NSN 6640-01-169-0176 is a Furnace,muffle,laboratory, manufactured by Preiser Scientific Inc, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-169-0176 has 1 manufacturer part number on file: 90-8251-01 (Preiser Scientific Inc).
Key specifications for 90-8251-01: Current Type: AC; Special Features: COAL ASH ANALYSIS FOR LAB TESTING OR EXPERIMENTAL WORK REQUIRING AN ATMOSPHERE AND TEMPS UP TO 2800 DEG F;EQUIPPED W/TRANSFORMER;ACCOMODATES 5 ASH CONES;AUTOMATIC CIRCUIT BREAKER;SUPPLIED W/PLATINUM-RHODIUM THERMOCOUPLE AND ACCURATE PYROMETER,SCALE 1-1600 DEG C;CHAMBER SIZE 1.75 IN. W,2.50 IN. DEEP,1.375 IN. HG;EXTERIOR SIZE 24 IN. W,12 IN. DEEP,17 IN. HG IN; Frequency Rating: 60.0 HERTZ NOMINAL; Heating Method: ELECTRICAL. 4 specifications are 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.