The Shield,electron Tube, cataloged under National Stock Number 5960-00-581-8620, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-581-8620 |
| Primary Part Number | 7040977P11 |
| Item Name | Shield,electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 FRICTION SINGLE MOUNTING FACILITY |
| FSC Application Data | MAGNETRON RADIATION SHIELD ON AN/FPS-6 |
| Overall Diameter | 4.000 INCHES NOMINAL IN |
| Style Designator | PRESS ON |
| Material | COPPER ALLOY AND LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7040977P11 | General Electric Company (USA) |
| 7040977P11 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
NSN 5960-00-581-8620 is a Shield,electron Tube, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-581-8620 has 2 manufacturer part numbers on file: 7040977P11 (General Electric Company), 7040977P11 (Lockheed Martin Corporation Div Rms).
Key specifications for 7040977P11: Mounting Facility Type and Quantity: 1 FRICTION SINGLE MOUNTING FACILITY; Overall Height: 4.250 INCHES NOMINAL IN; FSC Application Data: MAGNETRON RADIATION SHIELD ON AN/FPS-6; Overall Diameter: 4.000 INCHES NOMINAL IN. 5 specifications are 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.
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.