The Bottle,stopper, cataloged under National Stock Number 6640-00-935-4055, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-00-935-4055 |
| Item Name | Bottle,stopper |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| FSC Application Data | LABORATORY USE |
| Closure Size for Which Designed | NO. 29 STD TAPER GLASS STOPPER |
| Linear Expansion Coefficient Temp Range in Deg Celsius | +0.0 TO 300.0 |
| Overall Diameter | 4.175 INCHES MINIMUM AND 4.330 INCHES MAXIMUM IN |
| Glass Type | BOROSILICATE |
| Shape | ROUND |
| Departure From Cited Document | AS MODIFIED BY SIZE |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS AND 3 SIZE |
| Capacity Rating | 1.0 LITERS |
| Color | AMBER OR RED |
| Closure Type | FLATHEAD GROUND STOPPER |
| Material | GLASS LOCATION NOT OTHERWISE SPECIFIED |
| Usage Design | LABORATORY REAGENT OR SOLVENT BOTTLE |
| Linear Expansion Coefficient Per Deg Celsius | 0.0000033 |
| 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 |
|---|---|
| NNNB001522 | 4/1 Identification reference U.S. Government activity |
NSN 6640-00-935-4055 is a Bottle,stopper, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
Key specifications for 6640-00-935-4055: Overall Height: 7.520 INCHES MINIMUM AND 8.512 INCHES MAXIMUM IN; FSC Application Data: LABORATORY USE; Closure Size for Which Designed: NO. 29 STD TAPER GLASS STOPPER; Linear Expansion Coefficient Temp Range in Deg Celsius: +0.0 TO 300.0. 14 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.