The Retainer,electron Tube, cataloged under National Stock Number 5960-00-539-2748, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-539-2748 |
| Primary Part Number | 581939-1 |
| Item Name | Retainer,electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE |
| Inside Length | 0.380 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Style Designator | FLAT STRAP FOOTED HOLE MOUNTING |
| Accommodated Item Securing Device Type | CLAMP |
| Distance Between Mounting Facility Centers | 0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL |
| Distance From Mounting Surface to Retaining Surface | 0.380 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5960-00-539-2748 is a Retainer,electron Tube, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-539-2748 has 2 manufacturer part numbers on file: 581939-1 (Raytheon Company), 581939-1 (Raytheon Company Dba Raytheon Co).
Key specifications for 581939-1: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.380 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE; Inside Length: 0.380 INCHES NOMINAL IN. 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.