PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W303084-171REV9Switch Assembly

Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin · NSN 5930-00-549-0840 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-549-0840 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-549-0840. Primary manufacturer part number: W303084-171REV9.
Features
  • Switch Assembly — FSC 5930
  • Mounting Configuration: 2 MTG HOLES 5/32 IN. DIA ON 3-5/16 IN. MTG CENTERS IN
  • Controlling Agency: SQUARE D CO,INC
  • Identifying Number: KB-1 TYPE NO.
  • Switch Type: PUSH
  • Individual Switch Quantity: 2
  • Special Markings: MARKED START,STOP
  • 3 verified cross-references
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch Assembly, cataloged under National Stock Number 5930-00-549-0840, 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 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin. Government technical data includes 6 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-549-0840
Primary Part NumberW303084-171REV9
Item NameSwitch Assembly
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
StatusACTIVE
Mounting Configuration2 MTG HOLES 5/32 IN. DIA ON 3-5/16 IN. MTG CENTERS IN
Controlling AgencySQUARE D CO,INC
Identifying NumberKB-1 TYPE NO.
Switch TypePUSH
Individual Switch Quantity2
Special MarkingsMARKED START,STOP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5920-00-636-4555356001 INTERCHANGEABLE
Fuseholder,block
Littelfuse, Inc.
6680-00-844-3026A24523 INTERCHANGEABLE
Kit Cable
Cnh Industrial America Llc Dba Cnh America
3110-00-913-46782080526 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3040-01-192-604124523 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
5915-01-506-52222452-3 INTERCHANGEABLE
Filter,low Pass
Kr Electronics Inc
Cross-Reference Index
Part NumberManufacturer
W303084-171REV9 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
W303084-171REV9 Rca Corp Distributor and Special Products Div
24523 Naval Ship Systems Command (USA)
Related Parts
5920-00-636-4555INTERCHANGEABLE
FUSEHOLDER,BLOCK
356001
6680-00-844-3026INTERCHANGEABLE
KIT CABLE
A24523
3110-00-913-4678INTERCHANGEABLE
BEARING,BALL,ANNULAR
2080526
3040-01-192-6041INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
24523
5915-01-506-5222INTERCHANGEABLE
FILTER,LOW PASS
2452-3

Frequently Asked Questions

What is NSN 5930-00-549-0840?

NSN 5930-00-549-0840 is a Switch Assembly, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-549-0840?

NSN 5930-00-549-0840 has 3 cross-referenced part numbers: W303084-171REV9 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), W303084-171REV9 (Rca Corp Distributor and Special Products Div), 24523 (Naval Ship Systems Command).

What NSN replaces 5930-00-549-0840?

There are 5 known substitutes for 5930-00-549-0840: 5920-00-636-4555, 6680-00-844-3026, 3110-00-913-4678 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W303084-171REV9?

Key specifications for W303084-171REV9: Overall Depth: 2.188 INCHES NOMINAL IN; Overall Length: 3.750 INCHES NOMINAL IN; Mounting Configuration: 2 MTG HOLES 5/32 IN. DIA ON 3-5/16 IN. MTG CENTERS IN; Controlling Agency: SQUARE D CO,INC. 9 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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