Expan Unit7021-01-545-4256

NSN 7021-01-545-4256 · NIIN 015454256

FSC 7021 — Information Technology Central Processing Unit (cpu, Computer), Digital · FSG 70 — General Purpose ADP Equipment

Government record, cited

Also searched as 7021-01-545-4256 · 7021015454256 · NIIN 015454256 · 01-545-4256 · FSC 7021 Information Technology Central Processing Unit (cpu, Computer), Digital · KV1305C · KV1305C

Nearby stock numbers ← 7021-01-545-4157 Computer Subassembly · 7021-01-545-5470 Computer Subassembly →

Features

Expan Unit — FSC 7021
Criticality Code Justification: AGAV

Identification

NSN: 7021-01-545-4256
NIIN: 015454256
FSC: 7021 — Information Technology Central Processing Unit (cpu, Computer), Digital
FSG: 70 — General Purpose ADP Equipment

General Description

The Expan Unit, cataloged under National Stock Number 7021-01-545-4256, is classified within Federal Supply Class 7021 (Information Technology Central Processing Unit (cpu, Computer), Digital) of the General Purpose ADP Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	7021-01-545-4256
Item Name	Expan Unit
FSC / FSG	7021 / 70 — Information Technology Central Processing Unit (cpu, Computer), Digital
Status	ACTIVE
Criticality Code Justification	AGAV

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	Y

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
KV1305C	3/9 Design control — primary reference Black Box Corporation of Pennsylvania
KV1305C	5/9 Secondary reference Black Box Corp of Pa

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 7021-01-545-4256?

NSN 7021-01-545-4256 is a Expan Unit, classified under FSC 7021, Information Technology Central Processing Unit (cpu, Computer), Digital. Status: active.

What are the specifications of 7021-01-545-4256?

Key specifications for 7021-01-545-4256: Criticality Code Justification: AGAV; End Item Identification: SERVSWITCH AFFINITY 4 USER W/CARD. 1 specification is documented in the U.S. Government catalog.

Is NSN 7021-01-545-4256 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 7021-01-545-4256?

NSN 7021-01-545-4256 has DEMIL Code Q. 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.

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