PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4222-4MLW1REVBSwitch,rotary

Master Products Mfg Co · NSN 5930-00-248-6222 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-248-6222 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-248-6222. Primary manufacturer part number: B4222-4MLW1REVB.
Features
  • Switch,rotary — FSC 5930
  • Thread Series Designator: UNEF SINGLE MOUNTING FACILITY
  • Contact Switching Action: MAKES BEFORE BREAKS SINGLE SECTION REAR
  • Mounting Method: THREADED BUSHING SINGLE MOUNTING FACILITY
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • Individual Section Quantity: 1
  • Switch Actuator Positioning Increment: 30.0 DEGREES SINGLE ACTUATOR
  • Shaft Type: ROUND SINGLE ACTUATOR
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-248-6222, 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 Master Products Mfg Co. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-248-6222
Primary Part NumberB4222-4MLW1REVB
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerMaster Products Mfg Co
StatusCANCELLED
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION REAR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Individual Section Quantity1
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Shaft TypeROUND SINGLE ACTUATOR
Shaft Length0.500 INCHES NOMINAL SINGLE ACTUATOR IN
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Pole Quantity1 SINGLE SECTION REAR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Throw Quantity4 SINGLE SECTION REAR
Terminal TypeTAB, SOLDER LUG
Thread Class2A SINGLE MOUNTING FACILITY A
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5930-00-248-6220 INTERCHANGEABLE
Switch,rotary
5930-00-251-9309A3952-4MLW1 INTERCHANGEABLE
Switch,rotary
Standard Gribsby Inc
5930-00-538-6648600876-111 INTERCHANGEABLE
Switch,rotary
Lockheed Martin Corporation Div Rms - Mitchel Field
5930-00-548-365952013-4MLR-4 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5930-00-548-3661 INTERCHANGEABLE
Switch,rotary
5930-00-552-8934601263-303 INTERCHANGEABLE
Switch,rotary
Lockheed Martin Corporation Div Rms - Mitchel Field
5930-00-583-2290 INTERCHANGEABLE
Switch,rotary
5930-00-644-2929 INTERCHANGEABLE
Switch,rotary
5930-00-817-35272031141-203 INTERCHANGEABLE
Switch,rotary
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5930-00-870-4080600441-105REVB INTERCHANGEABLE
Switch,rotary
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
B4222-4MLW1REVB PRIMARY Master Products Mfg Co (USA)
SWR054REV1 Measurement Specialties Inc (USA)
SWR054 Measurement Specialties Inc (USA)
4MLW Standard Gribsby Inc (USA)
Related Parts
5930-00-248-6220INTERCHANGEABLE
SWITCH,ROTARY
5930-00-251-9309INTERCHANGEABLE
SWITCH,ROTARY
A3952-4MLW1
5930-00-538-6648INTERCHANGEABLE
SWITCH,ROTARY
600876-111
5930-00-548-3659INTERCHANGEABLE
SWITCH,ROTARY
52013-4MLR-4
5930-00-548-3661INTERCHANGEABLE
SWITCH,ROTARY
5930-00-552-8934INTERCHANGEABLE
SWITCH,ROTARY
601263-303
5930-00-583-2290INTERCHANGEABLE
SWITCH,ROTARY
5930-00-644-2929INTERCHANGEABLE
SWITCH,ROTARY
5930-00-817-3527INTERCHANGEABLE
SWITCH,ROTARY
2031141-203
5930-00-870-4080INTERCHANGEABLE
SWITCH,ROTARY
600441-105REVB

Frequently Asked Questions

What is NSN 5930-00-248-6222?

NSN 5930-00-248-6222 is a Switch,rotary, manufactured by Master Products Mfg Co, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-248-6222?

NSN 5930-00-248-6222 has 4 cross-referenced part numbers: B4222-4MLW1REVB (Master Products Mfg Co), SWR054REV1 (Measurement Specialties Inc), SWR054 (Measurement Specialties Inc), 4MLW (Standard Gribsby Inc).

What NSN replaces 5930-00-248-6222?

There are 10 known substitutes for 5930-00-248-6222: 5930-00-248-6220, 5930-00-251-9309, 5930-00-538-6648 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B4222-4MLW1REVB?

Key specifications for B4222-4MLW1REVB: Thread Series Designator: UNEF SINGLE MOUNTING FACILITY; Contact Switching Action: MAKES BEFORE BREAKS SINGLE SECTION REAR; Mounting Method: THREADED BUSHING SINGLE MOUNTING FACILITY; Overall Length: 1.250 INCHES NOMINAL IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-248-6222 still in active supply?

NSN 5930-00-248-6222 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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