The Bottle,stopper, cataloged under National Stock Number 6640-00-253-2502, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6640-00-253-2502 |
| Item Name | Bottle,stopper |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Closure Size for Which Designed | NO. 8 RUBBER STOPPER |
| Overall Diameter | 2.600 INCHES NOMINAL IN |
| Glass Type | BOROSILICATE |
| Shape | CYLINDRICAL |
| Departure From Cited Designator | AS MODIFIED BY CLOSURE SIZE FORWHICH DESIGNED AND CLOSURE TYPE |
| Nondefinitive Spec/std Data | 1 CLASS AND 250ML SIZE AND II TYPE |
| Capacity Rating | 250.0 MILLILITERS |
| Color | COLORLESS |
| Closure Type | STOPPER |
| 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 |
| Reference | Meaning |
|---|---|
| DDB593 | 4/1 Identification reference U.S. Government activity |
NSN 6640-00-253-2502 is a Bottle,stopper, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
Key specifications for 6640-00-253-2502: Overall Height: 5.100 INCHES NOMINAL IN; Closure Size for Which Designed: NO. 8 RUBBER STOPPER; Overall Diameter: 2.600 INCHES NOMINAL IN; Glass Type: BOROSILICATE. 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.