The Electron Tube, cataloged under National Stock Number 5960-01-021-6657, is classified within Federal Supply Class 5960 (Electron Tubes and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-01-021-6657 |
| Primary Part Number | SS-222IN |
| Item Name | Electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Tube Type | THYRATRON |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5960-01-021-6657 is a Electron Tube, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-01-021-6657 has 3 manufacturer part numbers on file: 3133668 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), SS-222IN (Meggitt Safety Systems Inc), SS-222IN (Naval Inventory Control Point Mechanicsburg).
Key specifications for SS-222IN: Tube Type: THYRATRON; Special Features: SOLID STATE,SCREW IN BASE. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5960-01-021-6657 has DEMIL Code D. 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.