The Hydrogen, cataloged under National Stock Number 6830-01-666-1261, is classified within Federal Supply Class 6830 (Gases: Compressed and Liquefied) of the Chemicals and Chemical Products group. The manufacturer of record is Compressed Gas Assn. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6830-01-666-1261 |
| Primary Part Number | CGA G-5.3 TYPE I, GRADE L |
| Item Name | Hydrogen |
| FSC / FSG | 6830 / 68 — Gases: Compressed and Liquefied |
| Manufacturer | Compressed Gas Assn |
| Status | ACTIVE |
| Medical Designation and Grade | TECHNICAL |
| Supplied Amount | 1000.000 CUBIC FEET |
| Physical Form | GAS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Hazardous per DLA record (HMIC D) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CGA G-5.3 TYPE I, GRADE L PRIMARY | Compressed Gas Assn (USA) |
| Reference | Meaning |
|---|---|
| CGA G-5.3-2004 | 3/1 Design control — primary reference Compressed Gas Assn |
NSN 6830-01-666-1261 is a Hydrogen, manufactured by Compressed Gas Assn, classified under FSC 6830, Gases: Compressed and Liquefied. Status: active.
NSN 6830-01-666-1261 has 1 manufacturer part number on file: CGA G-5.3 TYPE I, GRADE L (Compressed Gas Assn).
1 possible match (shared part number, not a government interchangeability claim): 6830-01-666-1325. Verify interchangeability with system specifications before substitution.
Key specifications for CGA G-5.3 TYPE I, GRADE L: Medical Designation and Grade: TECHNICAL; Supplied Amount: 1000.000 CUBIC FEET; Physical Form: GAS; Special Features: 99.999% MIN HYDROGEN; TYPICAL USES SEMICONDUCTOR, ANALYTICAL, AND SPECIALTY APPLICATIONS;. 3 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.
NSN 6830-01-666-1261 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.