PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203SSwitch,push

Switchcraft Inc. · NSN 5930-00-977-2858 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-977-2858 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-977-2858. Primary manufacturer part number: 203S.
Features
  • Switch,push — FSC 5930
  • Maximum Voltage Rating in Volts: 120.0 AC
  • Bushing Length: 0.375 INCHES NOMINAL IN
  • Contact Load Current Rating at Maximum Rated Voltage: 3.000 AMPERES RESISTIVE AC
  • Nominal Thread Size: 0.375 INCHES IN
  • Color: BLACK SINGLE ACTUATOR
  • Precious Material and Location: CONTACTS SILVER
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,push, cataloged under National Stock Number 5930-00-977-2858, 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 Switchcraft Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-977-2858
Primary Part Number203S
Item NameSwitch,push
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSwitchcraft Inc.
StatusCANCELLED
Maximum Voltage Rating in Volts120.0 AC
Bushing Length0.375 INCHES NOMINAL IN
Contact Load Current Rating at Maximum Rated Voltage3.000 AMPERES RESISTIVE AC
Nominal Thread Size0.375 INCHES IN
ColorBLACK SINGLE ACTUATOR
Precious Material and LocationCONTACTS SILVER
Terminal Type and Quantity3 TAB, SOLDER LUG
Thread Series DesignatorUNEF
Body Length0.531 INCHES NOMINAL IN
Actuator StyleROUND
Mounting MethodTHREADED BUSHING
Inclosure TypeFULLY INCLOSED
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Body StyleBUSHING MOUNTED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3110-00-100-035910613 INTERCHANGEABLE
Cup,tapered Roller Bearing
Black and Decker Us Inc
3110-00-156-5167203S-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
3110-00-222-058212339293 INTERCHANGEABLE
Bearing,ball,annular
General Motors Llc Dba General Motors Llc
3110-00-516-5289203TF INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
3110-00-720-2710203S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5895-01-089-49683102-13 INTERCHANGEABLE
Indicator Assembly
Safran Electronics & Defense, Avionics Usa, Llc
3110-01-130-615458563 INTERCHANGEABLE
Bearing,ball,duplex
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
203S PRIMARY Switchcraft Inc. (USA)
3101-0014 Hewlett-Packard Centre De Competences France (FRA)
4S1130 Switchcraft Inc. (USA)
11031568-1 Us Army Aviation and Missile Command (USA)
310-213 Hewlett-Packard Company Dba HP (USA)
4S1106 Switchcraft Inc. (USA)
4S1106A Switchcraft Inc. (USA)
3101-0014 Hewlett-Packard Company Dba HP (USA)
Related Parts
3110-00-100-0359INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
10613
3110-00-156-5167INTERCHANGEABLE
BEARING,BALL,ANNULAR
203S-1B1
3110-00-222-0582INTERCHANGEABLE
BEARING,BALL,ANNULAR
12339293
3110-00-516-5289INTERCHANGEABLE
BEARING,BALL,ANNULAR
203TF
3110-00-720-2710INTERCHANGEABLE
BEARING,BALL,ANNULAR
203S
5895-01-089-4968INTERCHANGEABLE
INDICATOR ASSEMBLY
3102-13
3110-01-130-6154INTERCHANGEABLE
BEARING,BALL,DUPLEX
58563

Frequently Asked Questions

What is NSN 5930-00-977-2858?

NSN 5930-00-977-2858 is a Switch,push, manufactured by Switchcraft Inc., classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-977-2858?

NSN 5930-00-977-2858 has 8 cross-referenced part numbers: 203S (Switchcraft Inc.), 3101-0014 (Hewlett-Packard Centre De Competences France), 4S1130 (Switchcraft Inc.), 11031568-1 (Us Army Aviation and Missile Command), 310-213 (Hewlett-Packard Company Dba HP) and 3 more.

What NSN replaces 5930-00-977-2858?

There are 7 known substitutes for 5930-00-977-2858: 3110-00-100-0359, 3110-00-156-5167, 3110-00-222-0582 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203S?

Key specifications for 203S: Maximum Voltage Rating in Volts: 120.0 AC; Bushing Length: 0.375 INCHES NOMINAL IN; Overall Width: 1.031 INCHES NOMINAL IN; Contact Load Current Rating at Maximum Rated Voltage: 3.000 AMPERES RESISTIVE AC. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-977-2858 still in active supply?

NSN 5930-00-977-2858 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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