The Helium-Isobutane, cataloged under National Stock Number 6830-00-936-2128, is classified within Federal Supply Class 6830 (Gases: Compressed and Liquefied) of the Chemicals and Chemical Products group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6830-00-936-2128 |
| Item Name | Helium-Isobutane |
| FSC / FSG | 6830 / 68 — Gases: Compressed and Liquefied |
| Status | ACTIVE |
| Cylinder National Stock Number | 8120-00-983-5835 |
| Composition and Percentage | 0.95 MINIMUM BY VOLUME ISOBUTANE AND 99.05 MINIMUM BY VOLUME HELIUM |
| Supplied Cylinder | NONSUPPLY ITEM |
| Physical Form | GAS |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY UNIT PACKAGE QUANTITY,UNIT PACKAGE TYPE,CYLINDER NATIONAL STOCK NUMBER,INTERSTATE COMMERCE COMMISSION IDENTIFYING NUMBER,SUPPLIED CYLINDER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC D) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 99-05PCTHELIUM0-95PCTIS0BUTANE | 3/1 Design control — primary reference U.S. Government activity |
NSN 6830-00-936-2128 is a Helium-Isobutane, classified under FSC 6830, Gases: Compressed and Liquefied. Status: active.
Key specifications for 6830-00-936-2128: Cylinder National Stock Number: 8120-00-983-5835; Composition and Percentage: 0.95 MINIMUM BY VOLUME ISOBUTANE AND 99.05 MINIMUM BY VOLUME HELIUM; Supplied Cylinder: NONSUPPLY ITEM; Physical Form: GAS. 5 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC D). 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.