PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4953Switch Assembly

Electro Scientific Industries Inc · NSN 5930-00-952-2639 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-952-2639 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-952-2639. Primary manufacturer part number: 4953.
Features
  • Switch Assembly — FSC 5930
  • 2 verified cross-references
  • Primary manufacturer: Electro Scientific Industries Inc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch Assembly, cataloged under National Stock Number 5930-00-952-2639, 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 Electro Scientific Industries Inc. This item has 2 commercial cross-references 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 NameSwitch Assembly
FSC / FSG5930 — No Item Name Available (FSG 59)
ManufacturersElectro Scientific Industries Inc (CAGE 11837); Electro Scientific Industries Inc (CAGE 9Y504)
Technical Specifications
ParameterValue
NSN5930-00-952-2639
Primary Part Number4953
Item NameSwitch Assembly
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Scientific Industries Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-00-300-3727 INTERCHANGEABLE
Deflector,dirt and Liquid
3040-00-394-84474953 INTERCHANGEABLE
Shaft,turbine
Northrop Grumman Systems Corporation Div Marine Systems
6850-00-753-4953 INTERCHANGEABLE
Lubricant,antiseize
2520-00-773-56758B3890 INTERCHANGEABLE
Shaft Shifter
Heil Environmental Industries
4330-00-919-7020 INTERCHANGEABLE
Cover,fluid Filter
4920-01-087-9620GS16313-1 INTERCHANGEABLE
Fixture,pneumatic Systems Compon
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
4953 Electro Scientific Industries Inc (USA)
4953 PRIMARY Electro Scientific Industries Inc (USA)
Related Parts
4320-00-300-3727INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
3040-00-394-8447INTERCHANGEABLE
SHAFT,TURBINE
4953
6850-00-753-4953INTERCHANGEABLE
LUBRICANT,ANTISEIZE
2520-00-773-5675INTERCHANGEABLE
SHAFT SHIFTER
8B3890
4330-00-919-7020INTERCHANGEABLE
COVER,FLUID FILTER
4920-01-087-9620INTERCHANGEABLE
FIXTURE,PNEUMATIC SYSTEMS COMPON
GS16313-1

Frequently Asked Questions

What is NSN 5930-00-952-2639?

NSN 5930-00-952-2639 is a Switch Assembly, manufactured by Electro Scientific Industries Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-952-2639?

NSN 5930-00-952-2639 has 2 cross-referenced part numbers: 4953 (Electro Scientific Industries Inc), 4953 (Electro Scientific Industries Inc).

What NSN replaces 5930-00-952-2639?

There are 6 known substitutes for 5930-00-952-2639: 4320-00-300-3727, 3040-00-394-8447, 6850-00-753-4953 and 3 more. Verify interchangeability with system specifications before substitution.

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