The Computer Subassembly, cataloged under National Stock Number 7021-01-472-3789, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7021-01-472-3789 |
| Primary Part Number | 1813661-3 |
| 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 A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1813661-3 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| PROV2NDCPU | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 7021-01-472-3789 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 7021-01-472-3789 has 1 manufacturer part number on file: 1813661-3 (Northrop Grumman Systems Corporation).
Key specifications for 1813661-3: Special Features: 2 387-PIN SOCKET, TY 8 PROCESSOR SOCKETS, 4 DIMM SOCKETS, INTEL 82440FX PCI SET, 2 USB INTERFACES, 3 PCI SLOTS AND 1 SHARED SLOT, 1 PC87703 INTEGRATED I/O CONTROLLER, 1 ETHEREXPRESS PRO/100B PCI LAN SUBSYSTEM, ADAPTEC 7880 SCSI CONTROLLER, CRYSTAL CS4236 AUDIO SUBSYSTEM, INDEPENDENT VOLTAGE AND FAN SPEED SENSING FOR EACH PROCESSOR, DMI INCLUDED IN BIOS. 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.
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.