The Protector,telephone, cataloged under National Stock Number 5920-00-162-8772, 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 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-162-8772 |
| Primary Part Number | 2B2A-500V |
| Item Name | Protector,telephone |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Usage Design | OUTDOOR |
| Wire Quantity | 1 |
| Protective Component Quantity | 2 |
| Accessory Identifying Number | 2B2A TYPE NO. |
| Overall Diameter | 0.562 INCHES NOMINAL IN |
| Accessory Controlling Agency | WESTERN ELECTRIC CO. |
| Enclosure Feature | BOX WITH SLIP-OVER COVER |
| Protective Component Name | INCOMING CABLE |
| 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 |
|---|---|
| 2B2A-500V PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 2B2A-500V | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| 2B1APR0TECT0RUNIT | 5/9 Secondary reference American Telephone and Telegraph Co |
| 2B2A-500V | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 2B1APR0TECT0RUN1 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Dba Federal Marketing Group |
NSN 5920-00-162-8772 is a Protector,telephone, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-162-8772 has 1 manufacturer part number on file: 2B2A-500V (Lucent Technologies Inc Corporate Headquarters).
Key specifications for 2B2A-500V: Usage Design: OUTDOOR; Wire Quantity: 1; Protective Component Quantity: 2; Accessory Identifying Number: 2B2A TYPE NO.. 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.
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.