The Bottle,stopper, cataloged under National Stock Number 6640-00-159-4441, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Corning Glass Works. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6640-00-159-4441 |
| Primary Part Number | 1420L335 |
| Item Name | Bottle,stopper |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Corning Glass Works |
| Status | ACTIVE |
| FSC Application Data | LABORATORY REAGENT AND STORAGE BOTTLE |
| Closure Size for Which Designed | FOR NO. 19 COMMERCIAL TAPER GLASS STOPPER |
| Overall Diameter | 65.0 MILLIMETERS NOMINAL MM |
| Legend Inscription | METHLY ORANGE |
| Shape | CYLINDRICAL |
| Capacity Rating | 250.0 MILLILITERS |
| Color | CLEAR |
| Label Type | PERMANENTLY APPLIED LETTERING |
| Closure Type | IMPROVED HEAD |
| Material | GLASS LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 1420L335 PRIMARY | Corning Glass Works (USA) |
| Reference | Meaning |
|---|---|
| 6-730L335 | 5/9 Secondary reference Manostat Corp |
NSN 6640-00-159-4441 is a Bottle,stopper, manufactured by Corning Glass Works, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-00-159-4441 has 1 manufacturer part number on file: 1420L335 (Corning Glass Works).
Key specifications for 1420L335: Overall Height: 160.0 MILLIMETERS NOMINAL MM; FSC Application Data: LABORATORY REAGENT AND STORAGE BOTTLE; Closure Size for Which Designed: FOR NO. 19 COMMERCIAL TAPER GLASS STOPPER; Overall Diameter: 65.0 MILLIMETERS NOMINAL MM. 10 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.