The Retainer,electron Tube, cataloged under National Stock Number 5960-00-170-4440, is classified within Federal Supply Class 5960 (Electron Tubes and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-170-4440 |
| Item Name | Retainer,electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Eia Electron Tube Envelope Accommodated | T6 1-2 |
| Distance From Retainer Center to Centerline of Mounting Facility | 1.250 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.323 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Style Designator | SERRATED INTERNAL RING HOLD DOWN |
| Accommodated Item Securing Device Type | COMPRESSION RING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SC-D-19920 | 3/2 Design control — primary reference U.S. Government activity |
| SC-D-19920PT3-7-8 | 5/2 Secondary reference U.S. Government activity |
NSN 5960-00-170-4440 is a Retainer,electron Tube, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
Key specifications for 5960-00-170-4440: Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Eia Electron Tube Envelope Accommodated: T6 1-2; Distance From Retainer Center to Centerline of Mounting Facility: 1.250 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.323 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 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.