The Cap,valve,gas Cylinder Outlet, cataloged under National Stock Number 8120-01-166-1809, is classified within Federal Supply Class 8120 (Commercial and Industrial Gas Cylinders) of the Containers, Packaging, and Packing Supplies group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8120-01-166-1809 |
| Item Name | Cap,valve,gas Cylinder Outlet |
| FSC / FSG | 8120 / 81 — Commercial and Industrial Gas Cylinders |
| Status | ACTIVE |
| Accommodation Type | HEXAGON END GRIPPING |
| Thread Length | 0.406 INCHES NOMINAL IN |
| Retaining Device Type | CHAIN |
| Filler Neck Diameter for Which Designed | 1.035 INCHES NOMINAL IN |
| Thread Pitch Diameters | +0.9886 TO 0.9926 INCHES IN |
| Thread Diameter | 1.0350 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Retaining Device Length | 3.000 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN |
| Thread Series Designator | NGO |
| Thread Quantity | 14 PER INCH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-V-2-660 | 5/9 Secondary reference U.S. Government activity |
| A-A-59860 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| P1210-23 | 5/1 Secondary reference Superior Valve Co |
NSN 8120-01-166-1809 is a Cap,valve,gas Cylinder Outlet, classified under FSC 8120, Commercial and Industrial Gas Cylinders. Status: active.
Key specifications for 8120-01-166-1809: Accommodation Type: HEXAGON END GRIPPING; Thread Length: 0.406 INCHES NOMINAL IN; Retaining Device Type: CHAIN; Filler Neck Diameter for Which Designed: 1.035 INCHES NOMINAL IN. 10 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.