PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21951Semiconductor Device,diode

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5961-01-123-6279 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-123-6279 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-123-6279. Primary manufacturer part number: 21951.
Features
  • Semiconductor Device,diode — FSC 5961
  • 1 verified cross-reference
  • Primary manufacturer: Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-123-6279, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSemiconductor Device,diode
FSC / FSG5961 — No Item Name Available (FSG 59)
ManufacturersSmiths Aerospace, Inc., Electronic Systems-Grand Rapids (CAGE 30377)
Technical Specifications
ParameterValue
NSN5961-01-123-6279
Primary Part Number21951
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5999-00-552-4618 INTERCHANGEABLE
Contact,electrical
5420-00-877-8682 INTERCHANGEABLE
Superstructure,interior Bay
1420-00-894-959221951 INTERCHANGEABLE
Shaft and Piston As
Eaton Aerospace, Llc Dba Jackson South
4730-00-913-17622195-1 INTERCHANGEABLE
CAGE Unit,steam Trap
Velan Valve Corp.
5998-01-073-6886 INTERCHANGEABLE
Circuit Card Assembly
6150-01-158-7677SM-D-430308 INTERCHANGEABLE
Cable Assembly-Switch,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
21951 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
5999-00-552-4618INTERCHANGEABLE
CONTACT,ELECTRICAL
5420-00-877-8682INTERCHANGEABLE
SUPERSTRUCTURE,INTERIOR BAY
1420-00-894-9592INTERCHANGEABLE
SHAFT AND PISTON AS
21951
4730-00-913-1762INTERCHANGEABLE
CAGE UNIT,STEAM TRAP
2195-1
5998-01-073-6886INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6150-01-158-7677INTERCHANGEABLE
CABLE ASSEMBLY-SWITCH,ELECTRICAL
SM-D-430308

Frequently Asked Questions

What is NSN 5961-01-123-6279?

NSN 5961-01-123-6279 is a Semiconductor Device,diode, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-123-6279?

NSN 5961-01-123-6279 has 1 cross-referenced part number: 21951 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 5961-01-123-6279?

There are 6 known substitutes for 5961-01-123-6279: 5999-00-552-4618, 5420-00-877-8682, 1420-00-894-9592 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com