The Retainer,electron Tube, cataloged under National Stock Number 5960-00-280-3187, 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 General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5960-00-280-3187 |
| Primary Part Number | 342A447 |
| Item Name | Retainer,electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 SLOT SINGLE MOUNTING FACILITY |
| Distance From Retainer Center to Centerline of Mounting Facility | 1.000 INCHES NOMINAL IN |
| Mounting Slot Length | 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Angle Between Mounting Facility and Tension Loop Centerlines in Deg | 65.0 |
| Style Designator | SINGLE FOOT, CLIP LOCKED, TENSION CLAMP |
| Material Document and Classification | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE |
| Accommodated Item Securing Device Type | CLAMP |
| Distance From Retainer Center to End of Extended Clip | 1.688 INCHES NOMINAL IN |
| Features Provided | HOLDING SPUR |
| Inside Diameter | 1.525 INCHES NOMINAL IN |
| Electron Tube Base Accommodated Diameter | +1.337 TO 1.377 INCHES IN |
| Angle Between Mounting Facility and Loop Hinge Centerlines in Deg | 115.0 |
| Material | COPPER ALLOY 170 |
| Mounting Slot Width | 0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
|---|---|
| 342A447 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| 342B447 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 37B12 | 5/9 Secondary reference A R F Products Inc |
| SMB192457 | 5/2 Secondary reference U.S. Government activity |
| 342A447 | 5/9 Secondary reference U.S. Government activity |
| 342B447 | 5/9 Secondary reference U.S. Government activity |
NSN 5960-00-280-3187 is a Retainer,electron Tube, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-280-3187 has 2 manufacturer part numbers on file: 342A447 (General Dynamics Mission Systems, Inc. Dba Gdms), 342B447 (General Dynamics Mission Systems, Inc. Dba Gdms).
Key specifications for 342A447: Mounting Facility Type and Quantity: 1 SLOT SINGLE MOUNTING FACILITY; Overall Height: 1.750 INCHES NOMINAL IN; Distance From Retainer Center to Centerline of Mounting Facility: 1.000 INCHES NOMINAL IN; Mounting Slot Length: 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 14 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.