The Cylinder,compressed Gas,hydrogen, cataloged under National Stock Number 8120-00-151-9754, is classified within Federal Supply Class 8120 (Commercial and Industrial Gas Cylinders) of the Containers, Packaging, and Packing Supplies group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8120-00-151-9754 |
| Item Name | Cylinder,compressed Gas,hydrogen |
| FSC / FSG | 8120 / 81 — Commercial and Industrial Gas Cylinders |
| Status | ACTIVE |
| Department of Transportation Cylinder Identifying Number | 3A1800 OR 3AA1800 |
| Part a Color Code | YELLOW |
| Neck Thread Location | INTERNAL AND EXTERNAL |
| Spec/std Identifying Number | MIL-V-2/29 |
| Body Color Code | YELLOW |
| Shatterproof Feature | INCLUDED |
| Medical Designation and Grade | TECHNICAL |
| Operating Pressure | 1800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Cylinder Style Designator | BOTTLE TYPE |
| Neck Closure | PROVIDED |
| Capacity Rating | 176.000 CUBIC FEET NOMINAL |
| Nondefinitive Spec/std Data | 1 CLASS AND A STYLE AND A SIZE AND I TYPE |
| Part C Color Code | YELLOW |
| Spec/std Controlling Agency | MIL |
| Part B Color Code | BLACK |
| Cross Section Outside Diameter | 9.000 INCHES NOMINAL IN |
| Government Type Number | V29-351-2 |
| Thread Size and Series/type Designator | 3 1/8-11 NS EXTERNAL NS |
| Thread Size and Series/type Designator | 3/4-14 NGT INTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MILC22491 | 4/1 Identification reference U.S. Government activity |
| JAN-C-1126 | 5/9 Secondary reference U.S. Government activity |
NSN 8120-00-151-9754 is a Cylinder,compressed Gas,hydrogen, classified under FSC 8120, Commercial and Industrial Gas Cylinders. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 8120-00-151-9757, 8120-00-151-9759, 4210-00-151-9778. Verify interchangeability with system specifications before substitution.
Key specifications for 8120-00-151-9754: Department of Transportation Cylinder Identifying Number: 3A1800 OR 3AA1800; Overall Height: 51.000 INCHES NOMINAL IN; Part a Color Code: YELLOW; Neck Thread Location: INTERNAL AND EXTERNAL. 19 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.