The Cap,compressed Gas Cylinder, cataloged under National Stock Number 8120-01-398-9853, is classified within Federal Supply Class 8120 (Commercial and Industrial Gas Cylinders) of the Containers, Packaging, and Packing Supplies group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8120-01-398-9853 |
| Primary Part Number | 4X15490 MARK 5CP |
| Item Name | Cap,compressed Gas Cylinder |
| FSC / FSG | 8120 / 81 — Commercial and Industrial Gas Cylinders |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 4X15490 MARK 5CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 4X15491 MARK 5CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 4X15491 MARK 5 | 5/1 Secondary reference Cp Industries Holdings, Inc |
| 2MP3800CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2MP3800 | 3/1 Design control — primary reference Cp Industries Holdings, Inc |
| 4X15490 MARK 5 | 5/1 Secondary reference Cp Industries Holdings, Inc |
NSN 8120-01-398-9853 is a Cap,compressed Gas Cylinder, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 8120, Commercial and Industrial Gas Cylinders. Status: active.
NSN 8120-01-398-9853 has 2 manufacturer part numbers on file: 4X15490 MARK 5CP (Naval Inventory Control Point Mechanicsburg), 4X15491 MARK 5CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 4X15490 MARK 5CP: Criticality Code Justification: ZZZY; End Item Identification: FLASK COMP GAS; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 2 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.