The Chamber,environmental Testing, cataloged under National Stock Number 6636-00-490-6983, is classified within Federal Supply Class 6636 (Environmental Chambers and Related Equipment) of the Instruments and Laboratory Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6636-00-490-6983 |
| Item Name | Chamber,environmental Testing |
| FSC / FSG | 6636 / 66 — Environmental Chambers and Related Equipment |
| Status | ACTIVE |
| Accessory Components and Quantity | HERMETICALLY SEALED CASCADE AND SINGLE-STAGE REFRIGERATION SYSTEMS; PROSES (T) 1500 PROGRAMMER CONTROLLERS W/DIGITAL INDICATION; PLATINUM R.T.D. TEMPERATURE SENSING; TW0 IN. DIA. PORT W/PLUG |
| Operating Temp Range | -40.0 TO 177.0 CELSIUS DEGC |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Environmental Chamber Type | TEMPERATURE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| TK/52 | 3/9 Design control — primary reference U.S. Government activity |
| LH3FS | 5/9 Secondary reference U.S. Government activity |
| TK/5C | 5/9 Secondary reference U.S. Government activity |
NSN 6636-00-490-6983 is a Chamber,environmental Testing, classified under FSC 6636, Environmental Chambers and Related Equipment. Status: active.
Key specifications for 6636-00-490-6983: Accessory Components and Quantity: HERMETICALLY SEALED CASCADE AND SINGLE-STAGE REFRIGERATION SYSTEMS; PROSES (T) 1500 PROGRAMMER CONTROLLERS W/DIGITAL INDICATION; PLATINUM R.T.D. TEMPERATURE SENSING; TW0 IN. DIA. PORT W/PLUG; Special Features: TENPERATURE RANGES: M40.0 DEG. C.TO P177.0 DEG.C AND M 73.3 DEG. C. TO 177.0 DEG. C. THIS IS A LOW AND HIGH TEMPERATURE CHAMBER; Operating Temp Range: -40.0 TO 177.0 CELSIUS DEGC; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.