The Electron Tube, cataloged under National Stock Number 5960-01-314-7757, 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 Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations. 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 | 5960-01-314-7757 |
| Primary Part Number | Y-557A |
| Item Name | Electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations |
| Status | ACTIVE |
| Test Data Document | 18876-11439369 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| Y-557A | Communications & Power Industries International Inc. Zweigniederlassung Ismaning (DEU) |
| Y-557A PRIMARY | Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations (USA) |
| 11439369 | Us Army Aviation and Missile Command (USA) |
NSN 5960-01-314-7757 is a Electron Tube, manufactured by Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-01-314-7757 has 3 manufacturer part numbers on file: Y-557A (Communications & Power Industries International Inc. Zweigniederlassung Ismaning), Y-557A (Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations), 11439369 (Us Army Aviation and Missile Command).
Key specifications for Y-557A: Test Data Document: 18876-11439369 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); End Item Identification: 1430-01-087-6330. 1 specification is documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.