The Block,telephone Protector, cataloged under National Stock Number 5920-00-296-9454, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-296-9454 |
| Primary Part Number | 26 |
| Item Name | Block,telephone Protector |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Overall Thickness | 0.150 INCHES NOMINAL IN |
| Shape | RECTANGULAR |
| Material | CARBON |
| Usage Design | USED IN TELEPHONE CIRCUITS FOR PROTECTION AGAINST LIGHTNING OR HIGH VOLTAGE SURGES |
| Circuit Protector Block Location | GROUND SIDE |
| 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 |
|---|---|
| 26 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 26 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| 26 | 5/9 Secondary reference At and T Corp |
| 26 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
NSN 5920-00-296-9454 is a Block,telephone Protector, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-296-9454 has 1 manufacturer part number on file: 26 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for 26: Overall Thickness: 0.150 INCHES NOMINAL IN; Shape: RECTANGULAR; Overall Length: 1.250 INCHES NOMINAL IN; Overall Width: 0.370 INCHES NOMINAL IN. 5 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.