The Retainer,electron Tube, cataloged under National Stock Number 5960-00-674-7247, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-674-7247 |
| Primary Part Number | 2056-1257 |
| 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 | 1 FRICTION SINGLE MOUNTING FACILITY |
| Overall Diameter | 0.437 INCHES NOMINAL IN |
| Style Designator | CUP |
| Accommodated Item Securing Device Type | FRICTION FASTENER |
| Surface Treatment | CADMIUM |
| Material | PLASTIC |
| 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 |
|---|---|
| 2056-1257 | Raytheon Company (USA) |
| 2056-1257 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 2056-1257 | 5/9 Secondary reference Raytheon Co Missile Systems Div Lowell Plant |
| 2056-1257 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5960-00-674-7247 is a Retainer,electron Tube, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-674-7247 has 2 manufacturer part numbers on file: 2056-1257 (Raytheon Company), 2056-1257 (Raytheon Company Dba Raytheon Co).
Key specifications for 2056-1257: Mounting Facility Type and Quantity: 1 FRICTION SINGLE MOUNTING FACILITY; Overall Height: 0.250 INCHES NOMINAL IN; Overall Diameter: 0.437 INCHES NOMINAL IN; Style Designator: CUP. 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.