The Rod Assortment,stirring,laborato, cataloged under National Stock Number 6640-00-438-5950, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-00-438-5950 |
| Item Name | Rod Assortment,stirring,laborato |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Component Quantity | 1 |
| Linear Expansion Coefficient Temp Range in Deg Celsius | +0.0 TO 300.0 |
| Overall Diameter | 4.0 MILLIMETERS AND 6.0 MILLIMETERS AND 8.0 MILLIMETERS MM |
| Material Document and Classification | DD-G-541,TYPE 1 AND TYPE 2 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | II TYPE |
| Material | GLASS BOROSILICATE |
| End Processing | FIRE-POLISHED ENDS; IF BOROSILICATE GLASS IS USED,THE ROD ENDS SHALL BE ROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NNNR560 | 4/1 Identification reference U.S. Government activity |
NSN 6640-00-438-5950 is a Rod Assortment,stirring,laborato, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 9390-00-438-6000, 6640-00-550-6813. Verify interchangeability with system specifications before substitution.
Key specifications for 6640-00-438-5950: Component Quantity: 1; Overall Length: 300.0 MILLIMETERS MM; Linear Expansion Coefficient Temp Range in Deg Celsius: +0.0 TO 300.0; Overall Diameter: 4.0 MILLIMETERS AND 6.0 MILLIMETERS AND 8.0 MILLIMETERS MM. 7 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.