PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21952Switch,electrical

Mason Electric Co. Dba Mason Controls · NSN 5930-00-478-9559 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-478-9559 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-478-9559. Primary manufacturer part number: 21952.
Features
  • Switch,electrical — FSC 5930
  • 3 verified cross-references
  • Primary manufacturer: Mason Electric Co. Dba Mason Controls
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,electrical, cataloged under National Stock Number 5930-00-478-9559, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Mason Electric Co. Dba Mason Controls. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSwitch,electrical
FSC / FSG5930 — No Item Name Available (FSG 59)
ManufacturersMason Electric Co. Dba Mason Controls (CAGE 81579); Unison Industries Llc (CAGE 59501); Amphenol Corp Div Amphenol Aerospace Operations (CAGE 77820)
Technical Specifications
ParameterValue
NSN5930-00-478-9559
Primary Part Number21952
Item NameSwitch,electrical
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerMason Electric Co. Dba Mason Controls
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5965-00-058-1288SM-C-430274 INTERCHANGEABLE
Headband,headset
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-823-2115 INTERCHANGEABLE
Switch,push
5420-00-877-8684 INTERCHANGEABLE
Superstructure,end Bay
5961-01-167-557421952 INTERCHANGEABLE
Transistor
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5345-01-400-359905114-88702 INTERCHANGEABLE
Disk,abrasive
3m Company
Cross-Reference Index
Part NumberManufacturer
21952 PRIMARY Mason Electric Co. Dba Mason Controls (USA)
21952 Unison Industries Llc (USA)
21952 Amphenol Corp Div Amphenol Aerospace Operations (USA)
Related Parts
5965-00-058-1288INTERCHANGEABLE
HEADBAND,HEADSET
SM-C-430274
5930-00-823-2115INTERCHANGEABLE
SWITCH,PUSH
5420-00-877-8684INTERCHANGEABLE
SUPERSTRUCTURE,END BAY
5961-01-167-5574INTERCHANGEABLE
TRANSISTOR
21952
5345-01-400-3599INTERCHANGEABLE
DISK,ABRASIVE
05114-88702

Frequently Asked Questions

What is NSN 5930-00-478-9559?

NSN 5930-00-478-9559 is a Switch,electrical, manufactured by Mason Electric Co. Dba Mason Controls, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-478-9559?

NSN 5930-00-478-9559 has 3 cross-referenced part numbers: 21952 (Mason Electric Co. Dba Mason Controls), 21952 (Unison Industries Llc), 21952 (Amphenol Corp Div Amphenol Aerospace Operations).

What NSN replaces 5930-00-478-9559?

There are 5 known substitutes for 5930-00-478-9559: 5965-00-058-1288, 5930-00-823-2115, 5420-00-877-8684 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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