The Retainer,electron Tube, cataloged under National Stock Number 5960-00-989-8678, 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 Interplex Nascal Inc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-989-8678 |
| Primary Part Number | 120S1-63A |
| Item Name | Retainer,electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Interplex Nascal Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 BRACKET(S) SINGLE MOUNTING FACILITY |
| Distance From Retainer Center to Centerline of Mounting Facility | 0.938 INCHES NOMINAL IN |
| Angle Between Mounting Facility and Tension Loop Centerlines in Deg | 45.0 |
| Accommodated Item Securing Device Type | CLAMP |
| Distance From Retainer Center to End of Extended Clip | 1.125 INCHES NOMINAL IN |
| Features Provided | HOLDING SPUR |
| Inside Diameter | 1.312 INCHES NOMINAL IN |
| Electron Tube Base Accommodated Diameter | +1.600 TO 1.650 INCHES IN |
| Angle Between Mounting Facility and Loop Hinge Centerlines in Deg | 100.0 |
| Material | NICKEL SILVER |
| 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 |
|---|---|
| 120S1-63A PRIMARY | Interplex Nascal Inc (USA) |
NSN 5960-00-989-8678 is a Retainer,electron Tube, manufactured by Interplex Nascal Inc, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-989-8678 has 1 manufacturer part number on file: 120S1-63A (Interplex Nascal Inc).
Key specifications for 120S1-63A: Mounting Facility Type and Quantity: 1 BRACKET(S) SINGLE MOUNTING FACILITY; Overall Height: 0.562 INCHES NOMINAL IN; Distance From Retainer Center to Centerline of Mounting Facility: 0.938 INCHES NOMINAL IN; Angle Between Mounting Facility and Tension Loop Centerlines in Deg: 45.0. 10 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.