The Tubing,glass, cataloged under National Stock Number 6640-00-526-9381, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6640-00-526-9381 |
| Primary Part Number | A33505-35 |
| Item Name | Tubing,glass |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument |
| Status | ACTIVE |
| Overall Diameter | 0.438 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | TUBING |
| Wall Thickness | 0.062 INCHES NOMINAL IN |
| Bore Diameter | 0.313 INCHES NOMINAL IN |
| Material | GLASS BOROSILICATE |
| 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 |
|---|---|
| A33505-35 PRIMARY | Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA) |
| Reference | Meaning |
|---|---|
| D1074-35 | 5/9 Secondary reference Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument |
NSN 6640-00-526-9381 is a Tubing,glass, manufactured by Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-00-526-9381 has 1 manufacturer part number on file: A33505-35 (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument).
Key specifications for A33505-35: Overall Diameter: 0.438 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: TUBING; Overall Length: 39.625 INCHES NOMINAL IN. 6 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.