The Shield,electron Tube, cataloged under National Stock Number 5960-00-421-5983, is classified within Federal Supply Class 5960 (Electron Tubes and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5960-00-421-5983 |
| Item Name | Shield,electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Status | CANCELLED |
| Mounting Facility Type and Quantity | 1 TWIST LOCK SINGLE MOUNTING FACILITY |
| Eia Electron Tube Envelope Accommodated | T6-4 |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-P-416,T2,CL 3 FED SPEC 2ND TREATMENT RESPONSE AND MIL-C-5541 MIL SPEC 3RD TREATMENT RESPONSE |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Style Designator | TWIST LOCK W/LINER AND VENTILATED SHELL |
| Material Document and Classification | QQ-A-250 FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-533 FED SPEC 3RD MATERIAL RESPONSE AND QQ-C-533 FED SPEC 4TH MATERIAL RESPONSE |
| Accommodated Item Securing Device Type | TWIST LOCK |
| Features Provided | SPRING |
| Specification/standard Data | 81349-MIL-S-24251/3 GOVERNMENT SPECIFICATION |
| Surface Treatment | ANODIZE AND CADMIUM AND OXIDE FILM |
| Test Data Document | 81349-MIL-S-24251 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | ALUMINUM ALLOY AND ALUMINUM ALLOY 6061 AND COPPER ALLOY 170 AND COPPER ALLOY 172 |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NWT6-6528-1B | 5/1 Secondary reference U.S. Government activity |
| M24251/3-7 | 2/2 Government specification standardization U.S. Government activity |
| MILS24251-3 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-24251/3 | 4/1 Identification reference U.S. Government activity |
NSN 5960-00-421-5983 is a Shield,electron Tube, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: cancelled.
4 possible matches (shared part number, not a government interchangeability claim): 5960-00-471-4838, 5960-00-682-3598, 5960-00-882-3559. Verify interchangeability with system specifications before substitution.
Key specifications for 5960-00-421-5983: Mounting Facility Type and Quantity: 1 TWIST LOCK SINGLE MOUNTING FACILITY; Overall Height: 2.562 INCHES NOMINAL IN; Eia Electron Tube Envelope Accommodated: T6-4; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-P-416,T2,CL 3 FED SPEC 2ND TREATMENT RESPONSE AND MIL-C-5541 MIL SPEC 3RD TREATMENT RESPONSE. 12 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.
NSN 5960-00-421-5983 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.