The Electron Tube, cataloged under National Stock Number 5960-00-556-1759, is classified within Federal Supply Class 5960 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-556-1759 |
| Primary Part Number | 4-400A |
| Item Name | Electron Tube |
| FSC / FSG | 5960 / 59 — No Item Name Available |
| Manufacturer | Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations |
| Status | ACTIVE |
| Tube Type | TETRODE |
| Envelope Medium Type | VACUUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5960-00-556-1759 is a Electron Tube, manufactured by Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations, classified under FSC 5960 (No Item Name Available). Status: active.
NSN 5960-00-556-1759 has 2 cross-referenced part numbers: 4-400A (Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations), 4-400A (Varian Associates Inc).
There are 4 known substitutes for 5960-00-556-1759: 4940-00-586-0983, 6625-01-237-4694, 5915-01-437-6552 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4-400A: Special Features: MFTR. CLASSIFICATION:HIGH VACUUM POWER; ENVELOPE MATERIAL:GLASS; Tube Type: TETRODE; Envelope Medium Type: VACUUM. 3 total characteristics are documented in the Federal Logistics Information System.