PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-4899Switch,rotary

Crl Components Inc · NSN 5930-01-043-1976 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-043-1976 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-043-1976. Primary manufacturer part number: A-4899.
Features
  • Switch,rotary — FSC 5930
  • Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL
  • Throw Quantity: 17 FIFTH SECTION FRONT
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL AND NONPILE-UP NONSYMMETRICAL
  • Nonturn Device Radius: 0.531 INCHES NOMINAL AT 9:00 OCLOCK IN
  • First Flat Length: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN
  • Shaft Length: 0.625 INCHES NOMINAL SINGLE ACTUATOR IN
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-01-043-1976, 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 Crl Components Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-043-1976
Primary Part NumberA-4899
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerCrl Components Inc
StatusACTIVE
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL
Throw Quantity17 FIFTH SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL AND NONPILE-UP NONSYMMETRICAL
Nonturn Device Radius0.531 INCHES NOMINAL AT 9:00 OCLOCK IN
First Flat Length0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Shaft Length0.625 INCHES NOMINAL SINGLE ACTUATOR IN
Thread Class2A SINGLE MOUNTING FACILITY A
Throw Quantity17 THIRD SECTION FRONT
Individual Section Quantity5
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Pole Quantity1 THIRD SECTION FRONT
Flat Height0.219 INCHES NOMINAL SINGLE ACTUATOR IN
Pole Quantity1 SECOND SECTION FRONT
Nonturn Device TypeTAB AT 9:00 OCLOCK
Throw Quantity17 SECOND SECTION FRONT
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Switching ActionMAKES BEFORE BREAKS FIFTH SECTION FRONT
Contact Switching ActionMAKES BEFORE BREAKS THIRD SECTION FRONT
Terminal TypeTAB, SOLDER LUG
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Contact Switching ActionMAKES BEFORE BREAKS SECOND SECTION FRONT
Precious MaterialSILVER
Contact Load Current Rating550.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
Switch Actuator Positioning Increment20.0 DEGREES SINGLE ACTUATOR
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-128-9824A15944 INTERCHANGEABLE
Elbow,tube
Mueller Brass Co.
6210-00-548-0196A-6745-IR-Y-24 INTERCHANGEABLE
Light,panel
Grimes Aerospace Company
Cross-Reference Index
Part NumberManufacturer
A-4899 Crl Components Inc (USA)
A-4899 Scientific-Atlanta Inc Signal Processing Systems Div (USA)
A-4899 Stansbury Industries Inc Quan-Tech (USA)
Related Parts
4730-00-128-9824INTERCHANGEABLE
ELBOW,TUBE
A15944
6210-00-548-0196INTERCHANGEABLE
LIGHT,PANEL
A-6745-IR-Y-24

Frequently Asked Questions

What is NSN 5930-01-043-1976?

NSN 5930-01-043-1976 is a Switch,rotary, manufactured by Crl Components Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-043-1976?

NSN 5930-01-043-1976 has 3 cross-referenced part numbers: A-4899 (Crl Components Inc), A-4899 (Scientific-Atlanta Inc Signal Processing Systems Div), A-4899 (Stansbury Industries Inc Quan-Tech).

What NSN replaces 5930-01-043-1976?

There are 2 known substitutes for 5930-01-043-1976: 4730-00-128-9824, 6210-00-548-0196. Verify interchangeability with system specifications before substitution.

What are the specifications of A-4899?

Key specifications for A-4899: Overall Width: 1.312 INCHES NOMINAL IN; Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL; Throw Quantity: 17 FIFTH SECTION FRONT; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL AND NONPILE-UP NONSYMMETRICAL. 30 total characteristics are documented in the Federal Logistics Information System.

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