The Computer Subassembly, cataloged under National Stock Number 7021-01-514-1015, 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 Lockheed Martin Corporation Div Rms - Manassas. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7021-01-514-1015 |
| Primary Part Number | B943 |
| Item Name | Computer Subassembly |
| FSC / FSG | 7021 / 70 — Information Technology Central Processing Unit (cpu, Computer), Digital |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| GS3400-LM-31 REV4-Q70 | Mercury Systems, Inc. Dba Mercury Systems, Inc (USA) |
| B943 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| GS3400-LM-31 REV 3-Q70 | Mercury Systems, Inc. Dba Mercury Systems, Inc (USA) |
| Reference | Meaning |
|---|---|
| B943 | 3/2 Design control — primary reference U.S. Government activity |
| 79C0563-00 | 5/2 Secondary reference U.S. Government activity |
NSN 7021-01-514-1015 is a Computer Subassembly, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 7021, Information Technology Central Processing Unit (cpu, Computer), Digital. Status: active.
NSN 7021-01-514-1015 has 3 manufacturer part numbers on file: GS3400-LM-31 REV4-Q70 (Mercury Systems, Inc. Dba Mercury Systems, Inc), B943 (Lockheed Martin Corporation Div Rms - Manassas), GS3400-LM-31 REV 3-Q70 (Mercury Systems, Inc. Dba Mercury Systems, Inc).
Key specifications for B943: Part Name Assigned by Controlling Agency: SERVER, SPC, RM; End Item Identification: AN/UYQ-70(V) ADV DISPLAY SYSTEM N/A FOR COSAL USE. 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 7021-01-514-1015 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.