The Block,telephone Protector, cataloged under National Stock Number 5920-00-160-4891, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5920-00-160-4891 |
| Primary Part Number | SM-B-426221 |
| Item Name | Block,telephone Protector |
| FSC / FSG | 5920 / 59 — No Item Name Available |
| Manufacturer | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir |
| Status | CANCELLED |
| Material | PORCELAIN |
| Overall Thickness | 0.290 INCHES NOMINAL IN |
| Shape | RECTANGULAR |
| Usage Design | USED IN TELEPHONE CIRCUITS FOR PROTECTION AGAINST LIGHTNING OR HIGH VOLTAGE SURGES |
| Circuit Protector Block Location | GROUND SIDE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BA106440/1 | American Telephone and Telegraph Co (USA) |
| SM-B-426221 PRIMARY | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| 28013 | Naval Sea Systems Command (USA) |
| BA106440/1(OH) | American Telephone and Telegraph Co (USA) |
| BA-106440/1OH | American Telephone and Telegraph Co (USA) |
NSN 5920-00-160-4891 is a Block,telephone Protector, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5920 (No Item Name Available). Status: cancelled.
NSN 5920-00-160-4891 has 5 cross-referenced part numbers: BA106440/1 (American Telephone and Telegraph Co), SM-B-426221 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 28013 (Naval Sea Systems Command), BA106440/1(OH) (American Telephone and Telegraph Co), BA-106440/1OH (American Telephone and Telegraph Co).
There are 9 known substitutes for 5920-00-160-4891: 3110-00-100-3115, 2915-00-725-9223, 5940-00-983-6090 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for SM-B-426221: Material: PORCELAIN; Overall Thickness: 0.290 INCHES NOMINAL IN; Overall Length: 1.250 INCHES NOMINAL IN; Shape: RECTANGULAR. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5920-00-160-4891 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.