The Block,telephone Protector, cataloged under National Stock Number 5920-01-575-7224, 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 Lockheed Martin Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Block,telephone Protector |
| FSC / FSG | 5920 — No Item Name Available (FSG 59) |
| Manufacturers | Lockheed Martin Corporation (CAGE 0L1E5) |
| Parameter | Value |
|---|---|
| NSN | 5920-01-575-7224 |
| Primary Part Number | 56-219 |
| Item Name | Block,telephone Protector |
| FSC / FSG | 5920 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 56-219 PRIMARY | Lockheed Martin Corporation (USA) |
NSN 5920-01-575-7224 is a Block,telephone Protector, manufactured by Lockheed Martin Corporation, classified under FSC 5920 (No Item Name Available). Status: active.
NSN 5920-01-575-7224 has 1 cross-referenced part number: 56-219 (Lockheed Martin Corporation).
There are 4 known substitutes for 5920-01-575-7224: 5821-00-317-5104, 5955-01-349-8457, 4410-01-438-0509 and 1 more. Verify interchangeability with system specifications before substitution.