The Electron Tube, cataloged under National Stock Number 5960-00-958-9147, 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 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5960-00-958-9147 |
| Primary Part Number | 4-1000A |
| Item Name | Electron Tube |
| FSC / FSG | 5960 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| Status | CANCELLED |
| Tube Type | TETRODE |
| Nondefinitive Spec/std Data | 8166 TYPE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4-1000A | Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA) |
| 4-100A/8166 | Covimag (FRA) |
| 4-1000A/8166 | Triton Services Incorporated Dba Electron Technology Division Div Electron Technology Division (USA) |
| 8166 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 4-1000A | Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations (USA) |
| MIL-PRF-1/37 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 4-1000A | Rca Corp New Products Div (USA) |
NSN 5960-00-958-9147 is a Electron Tube, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 5960 (No Item Name Available). Status: cancelled.
NSN 5960-00-958-9147 has 7 cross-referenced part numbers: 4-1000A (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 4-100A/8166 (Covimag), 4-1000A/8166 (Triton Services Incorporated Dba Electron Technology Division Div Electron Technology Division), 8166 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 4-1000A (Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations) and 2 more.
There are 10 known substitutes for 5960-00-958-9147: 6625-00-121-1567, 5960-00-189-5968, 4310-00-354-8481 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4-1000A: End Item Identification: SUBMARINE MISCELLANEOUS SONAR AND ADP SYKSTEMS; AN/SRN-25(V) NAVIGATION RADIO SET; Tube Type: TETRODE; Nondefinitive Spec/std Data: 8166 TYPE. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 5960-00-958-9147 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.