The Computer Subassembly, cataloged under National Stock Number 7050-01-520-7997, is classified within Federal Supply Class 7050 (Information Technology Components) of the General Purpose ADP Equipment group. The manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7050-01-520-7997 |
| Primary Part Number | 1756-L55M23 |
| Item Name | Computer Subassembly |
| FSC / FSG | 7050 / 70 — Information Technology Components |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| 1756-L55M23 PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| 701-7509927 ITEM NO. 12 | 5/9 Secondary reference Naval Sea Systems Command |
| 701-7509913 ITEM NO. 12 | 5/9 Secondary reference Naval Sea Systems Command |
| 1756-L55M23 | 5/9 Secondary reference Rockwell Automation Inc Dba Rockwell Automation |
NSN 7050-01-520-7997 is a Computer Subassembly, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 7050, Information Technology Components. Status: active.
NSN 7050-01-520-7997 has 1 manufacturer part number on file: 1756-L55M23 (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for 1756-L55M23: Special Features: 5.6 WATTS POWER DISSIPATION; 19.1BTU/HR THERMAL DISSIPATION; 1.5M BYTESDATA AND LOGIC MEMORY; 208K BYTES I/O MEMORY.; Part Name Assigned by Controlling Agency: CONTROLLOGIX CONTROLLER. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 7050-01-520-7997 has DEMIL Code D. 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.