The Visor,cathode Ray Tube, cataloged under National Stock Number 5960-00-642-5871, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5960-00-642-5871 |
| Primary Part Number | BL91351 |
| Item Name | Visor,cathode Ray Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Attachment End Inside Length | 0.625 INCHES NOMINAL IN |
| Color | GRAY/GREY AND BLACK |
| Surface Treatment | ENAMEL AND LACQUER |
| Mounting Configuration | SIX 0.152 IN. DIA MTG HOLES SPACED 60 DEG APART ON 4-1/16 IN. BOLT CIRCLE DIA IN |
| Material | COPPER ALLOY AND FIBER LOCATION NOT OTHERWISE SPECIFIED |
| Viewing End Inside Length | 3.062 INCHES NOMINAL IN |
| Viewing End Inside Diameter | 3.250 INCHES NOMINAL IN |
| Attachment End Inside Diameter | 3.119 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BL91351ISSUE1 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| BL91351 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| BL91351 | 5/9 Secondary reference American Telephone and Telegraph Co |
| BL91351ISSUE1 | 5/9 Secondary reference At and T Corp |
NSN 5960-00-642-5871 is a Visor,cathode Ray Tube, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-642-5871 has 2 manufacturer part numbers on file: BL91351ISSUE1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BL91351 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for BL91351: Attachment End Inside Length: 0.625 INCHES NOMINAL IN; Color: GRAY/GREY AND BLACK; Surface Treatment: ENAMEL AND LACQUER; Mounting Configuration: SIX 0.152 IN. DIA MTG HOLES SPACED 60 DEG APART ON 4-1/16 IN. BOLT CIRCLE DIA IN. 8 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 5960-00-642-5871 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.