The Retainer,electron Tube, cataloged under National Stock Number 5960-00-264-3016, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-264-3016 |
| Primary Part Number | BL20578 |
| Item Name | Retainer,electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Eia Electron Tube Envelope Accommodated | T12 |
| Style Designator | SPRING LOCK DUAL PILLAR HOLD DOWN |
| Accommodated Item Securing Device Type | SPRING CLIP |
| Distance Between Mounting Facility Centers | 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Material | STEEL |
| 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 |
|---|---|
| BL20578 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| BL20578 | 5/9 Secondary reference American Telephone and Telegraph Co |
| D152617 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5960-00-264-3016 is a Retainer,electron Tube, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-264-3016 has 1 manufacturer part number on file: BL20578 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for BL20578: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 4.375 INCHES NOMINAL IN; Eia Electron Tube Envelope Accommodated: T12; Style Designator: SPRING LOCK DUAL PILLAR HOLD DOWN. 6 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.