NSN 7021-01-531-4100 · NIIN 015314100 · Part number 243A120-3
Lockheed Martin Corporation Div Rotary and Mission Systems · FSC 7021 — Information Technology Central Processing Unit (cpu, Computer), Digital · FSG 70 — General Purpose ADP Equipment · CAGE 03640
Government record, cited
NSN 7021-01-531-4100 — this item is cataloged by the U.S. Government under National Stock Number 7021-01-531-4100. Manufacturer of record part number: 243A120-3.
Also searched as7021-01-531-4100 ·
7021015314100 ·
NIIN 015314100 ·
01-531-4100 ·
FSC 7021 Information Technology Central Processing Unit (cpu, Computer), Digital · CAGE 03640 · 243A120-3
Nearby stock numbers← 7021-01-531-4096 Computer, Digital
·
7021-01-531-4744 Computer, Digital →
Features
Computer,digital — FSC 7021
1 manufacturer part number on file
Manufacturer of record: Lockheed Martin Corporation Div Rotary and Mission Systems
Identification
NSN: 7021-01-531-4100
NIIN: 015314100
FSC: 7021 — Information Technology Central Processing Unit (cpu, Computer), Digital
FSG: 70 — General Purpose ADP Equipment
Primary part number: 243A120-3
Manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
General Description
The Computer,digital, cataloged under National Stock Number 7021-01-531-4100, 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 Rotary and Mission Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
7021-01-531-4100
Primary Part Number
243A120-3
Item Name
Computer,digital
FSC / FSG
7021 / 70 — Information Technology Central Processing Unit (cpu, Computer), Digital
Manufacturer
Lockheed Martin Corporation Div Rotary and Mission Systems
Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
No interchangeability data on file.
Other items in FSC 7021 — Information Technology Central Processing Unit (cpu, Computer), Digital
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
7021-00-001-7004
7021-00-001-7004 · Item name not on file
7021-00-004-0317
7021-00-004-0317 · Item name not on file
7021-00-006-8912
7021-00-006-8912 · Item name not on file
7021-00-007-0595
ROLLER,DIGITAL PRINT
7021-00-009-4384
7021-00-009-4384 · Item name not on file
7021-00-025-6216
ACTUATOR ASSEMBLY
7021-00-025-6220
7021-00-025-6220 · Item name not on file
7021-00-025-6221
7021-00-025-6221 · Item name not on file
Frequently Asked Questions
What is NSN 7021-01-531-4100?
NSN 7021-01-531-4100 is a Computer,digital, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 7021, Information Technology Central Processing Unit (cpu, Computer), Digital. Status: active.
What part numbers are listed for NSN 7021-01-531-4100?
NSN 7021-01-531-4100 has 1 manufacturer part number on file: 243A120-3 (Lockheed Martin Corporation Div Rotary and Mission Systems).
What are the specifications of 243A120-3?
Key specifications for 243A120-3: Special Features: COMPUTER CONTROL PANEL; End Item Identification: HAWKEYE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 7021-01-531-4100 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 7021-01-531-4100?
NSN 7021-01-531-4100 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.