The Tubing,glass, cataloged under National Stock Number 9340-01-444-4162, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Ernst, John C & Co, Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-444-4162 |
| Primary Part Number | P420-05-PC48-506-.75-22L |
| Item Name | Tubing,glass |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Ernst, John C & Co, Inc. |
| Status | ACTIVE |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | TUBING |
| Wall Thickness | 0.109 INCHES NOMINAL IN |
| Bore Diameter | 0.641 INCHES NOMINAL IN |
| Material | GLASS BOROSILICATE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| P420-05-PC48-506-.75-22L PRIMARY | Ernst, John C & Co, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 420-05-PC48-506 | 3/1 Design control — primary reference Ernst, John C & Co, Inc. |
| 420-05-PC048-50 | C/1 Advisory reference — outside the item-of-supply concept Ernst, John C & Co, Inc. |
| E42004 ITEM 48 | 5/1 Secondary reference Ernst, John C & Co, Inc. |
NSN 9340-01-444-4162 is a Tubing,glass, manufactured by Ernst, John C & Co, Inc., classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-444-4162 has 1 manufacturer part number on file: P420-05-PC48-506-.75-22L (Ernst, John C & Co, Inc.).
Key specifications for P420-05-PC48-506-.75-22L: Overall Diameter: 0.750 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: TUBING; Overall Length: 22.000 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.