The Tubing,glass, cataloged under National Stock Number 9340-01-386-9420, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is King Engineering Corporation Dba King-Gage Systems. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-386-9420 |
| Primary Part Number | 7573-51 |
| Item Name | Tubing,glass |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | King Engineering Corporation Dba King-Gage Systems |
| Status | ACTIVE |
| Overall Diameter | 0.450 INCHES NOMINAL IN |
| Surface Finish | FINE FINISHED |
| Material Transparency | CLEAR |
| Style Designator | TUBING |
| Wall Thickness | 0.200 INCHES NOMINAL IN |
| Bore Diameter | 0.250 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 |
|---|---|
| 7573-51 PRIMARY | King Engineering Corporation Dba King-Gage Systems (USA) |
| Reference | Meaning |
|---|---|
| CAT 9000 SECT 2430 ITEM-14 | 5/9 Secondary reference King Engineering Corporation Dba King-Gage Systems |
NSN 9340-01-386-9420 is a Tubing,glass, manufactured by King Engineering Corporation Dba King-Gage Systems, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-386-9420 has 1 manufacturer part number on file: 7573-51 (King Engineering Corporation Dba King-Gage Systems).
1 possible match (shared part number, not a government interchangeability claim): 5855-01-546-0337. Verify interchangeability with system specifications before substitution.
Key specifications for 7573-51: Overall Diameter: 0.450 INCHES NOMINAL IN; Surface Finish: FINE FINISHED; Material Transparency: CLEAR; Style Designator: TUBING. 7 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.