The Computer Subassembly, cataloged under National Stock Number 7021-01-558-8962, is classified within Federal Supply Class 7021 (Information Technology Central Processing Unit (cpu, Computer), Digital) of the General Purpose ADP Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7021-01-558-8962 |
| Primary Part Number | 5A12112H01 |
| Item Name | Computer Subassembly |
| FSC / FSG | 7021 / 70 — Information Technology Central Processing Unit (cpu, Computer), Digital |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5A12122A01 | Northrop Grumman Systems Corporation (USA) |
| 5A12112H01 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 7021-01-558-8962 is a Computer Subassembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 7021, Information Technology Central Processing Unit (cpu, Computer), Digital. Status: active.
NSN 7021-01-558-8962 has 2 manufacturer part numbers on file: 5A12122A01 (Northrop Grumman Systems Corporation), 5A12112H01 (Northrop Grumman Systems Corporation).
Key specifications for 5A12112H01: Part Name Assigned by Controlling Agency: (INAVY)X TERMINAL; End Item Identification: AN/SQQ-89(V)4/5/6/12 UNIT 540, DUAL DISPLAY STATION;AN/SQQ-89A(V)6 UNIT 540, DUAL DISPLAY STATION;AN/SQQ-89(V)4/6 UNIT540 W/EC118, DUAL DISPLAY STATION,AN/SQQ-89(V)10 UNIT 540, DDS/CADRT PROTOTYPE;AN/SQQ-89(V)6 UNIT 540, W/FALT PNL DISPLAY;AN/SQQ-89(V)4 UNIT 540 W/EC151, DUAL DISPLAY STA A. 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 7021-01-558-8962 has DEMIL Code B. 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.