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NSN 7021-01-581-7491Government record, cited

Computer Digital7021-01-581-7491

NSN 7021-01-581-7491 · NIIN 015817491 · Part number 3USC-32DC-NV79-2GB-250GS

Hart Technologies, Inc. · FSC 7021 — Information Technology Central Processing Unit (cpu, Computer), Digital · FSG 70 — General Purpose ADP Equipment · CAGE 1Q3J5

Government record, cited

NSN 7021-01-581-7491 — this item is cataloged by the U.S. Government under National Stock Number 7021-01-581-7491. Manufacturer of record part number: 3USC-32DC-NV79-2GB-250GS.

Also searched as 7021-01-581-7491 · 7021015817491 · NIIN 015817491 · 01-581-7491 · FSC 7021 Information Technology Central Processing Unit (cpu, Computer), Digital · CAGE 1Q3J5 · 3USC-32DC-NV79-2GB-250GS · MK4092021 · MK4091021

Nearby stock numbers ← 7021-01-581-7483 Computer Digital · 7021-01-581-7877 Computer, Digital →

Features

Computer Digital — FSC 7021
2 manufacturer part numbers on file
Manufacturer of record: Hart Technologies, Inc.

Identification

NSN: 7021-01-581-7491
NIIN: 015817491
FSC: 7021 — Information Technology Central Processing Unit (cpu, Computer), Digital
FSG: 70 — General Purpose ADP Equipment
Primary part number: 3USC-32DC-NV79-2GB-250GS
Manufacturer: Hart Technologies, Inc.

General Description

The Computer Digital, cataloged under National Stock Number 7021-01-581-7491, 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 Hart Technologies, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Computer Digital
FSC / FSG	7021 — Information Technology Central Processing Unit (cpu, Computer), Digital (FSG 70)
Manufacturers	Hart Technologies, Inc. (CAGE 1Q3J5); General Dynamics Land Systems Inc. Div Gdls Global Llc (CAGE 7W356)

Technical Specifications

Parameter	Value
NSN	7021-01-581-7491
Primary Part Number	3USC-32DC-NV79-2GB-250GS
Item Name	Computer Digital
FSC / FSG	7021 / 70 — Information Technology Central Processing Unit (cpu, Computer), Digital
Manufacturer	Hart Technologies, Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
3USC-32DC-NV79-2GB-250GS PRIMARY	Hart Technologies, Inc. (USA)
MK4092021 PRIMARY	General Dynamics Land Systems Inc. Div Gdls Global Llc (USA)

Reference documents

Reference	Meaning
MK4091021	5/9 Secondary reference General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su

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 7021-01-581-7491?

NSN 7021-01-581-7491 is a Computer Digital, manufactured by Hart Technologies, Inc., classified under FSC 7021, Information Technology Central Processing Unit (cpu, Computer), Digital. Status: active.

What part numbers are listed for NSN 7021-01-581-7491?

NSN 7021-01-581-7491 has 2 manufacturer part numbers on file: 3USC-32DC-NV79-2GB-250GS (Hart Technologies, Inc.), MK4092021 (General Dynamics Land Systems Inc. Div Gdls Global Llc).

Is NSN 7021-01-581-7491 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.

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.

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