The Refrigerant Gas Mixture, cataloged under National Stock Number 6830-01-630-3475, is classified within Federal Supply Class 6830 (Gases: Compressed and Liquefied) of the Chemicals and Chemical Products group. The manufacturer of record is Sdb Consultants, Ltd. Dba Sdb Consultants Ltd. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6830-01-630-3475 |
| Primary Part Number | NU-22B |
| Item Name | Refrigerant Gas Mixture |
| FSC / FSG | 6830 / 68 — Gases: Compressed and Liquefied |
| Manufacturer | Sdb Consultants, Ltd. Dba Sdb Consultants Ltd |
| Status | ACTIVE |
| Composition and Percentage | 3.00 MAXIMUM BY WEIGHT ISOBUTANE AND 42.00 MAXIMUM BY WEIGHT TETRAFLUOROETHANE |
| Supplied Amount | 25.00 POUNDS LBS |
| Physical Form | GAS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NU-22B PRIMARY | Sdb Consultants, Ltd. Dba Sdb Consultants Ltd (USA) |
| Reference | Meaning |
|---|---|
| NU-22B | 5/9 Secondary reference Icor International, Inc. |
NSN 6830-01-630-3475 is a Refrigerant Gas Mixture, manufactured by Sdb Consultants, Ltd. Dba Sdb Consultants Ltd, classified under FSC 6830, Gases: Compressed and Liquefied. Status: active.
NSN 6830-01-630-3475 has 1 manufacturer part number on file: NU-22B (Sdb Consultants, Ltd. Dba Sdb Consultants Ltd).
Key specifications for NU-22B: Composition and Percentage: 3.00 MAXIMUM BY WEIGHT ISOBUTANE AND 42.00 MAXIMUM BY WEIGHT TETRAFLUOROETHANE; Supplied Amount: 25.00 POUNDS LBS; Physical Form: GAS; Special Features: COLORLESS; ODOR: SLIGHTLY ETHEREAL; MOLECULAR WEIGHT: 108.53 G/MOL; 100.00% VOLATILE; CRITICAL PRESSURE: 574.07; CRITICAL TEMPERATURE: 181.79 DEG. F.; LIQUID DENSITY: 73.053; CRITICAL DENSITY: 32.86; VAPOR DENSITY: 0.2817; G. 3 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.