PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

668405-5Switch,pressure

Lockheed Martin Corp · NSN 5930-00-814-4052 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-814-4052 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-814-4052. Primary manufacturer part number: 668405-5.
Features
  • Switch,pressure — FSC 5930
  • Pressure Switch Type: DIFFERENTIAL
  • Terminal Type: CONNECTOR, RECEPTACLE
  • Mounting Method: FLANGE
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
  • 2 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-00-814-4052, 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 Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-814-4052
Primary Part Number668405-5
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Pressure Switch TypeDIFFERENTIAL
Terminal TypeCONNECTOR, RECEPTACLE
Mounting MethodFLANGE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6220-00-055-118490123 INTERCHANGEABLE
Lens,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
6510-00-201-17508875-00 INTERCHANGEABLE
Bandage,gauze
Deroyal Industries Inc
4720-00-419-325968479 INTERCHANGEABLE
Hose Assembly,metallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5935-01-257-350690123 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Jergens Inc Div Tooling Components Division
4920-01-300-202590123 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
5910-01-310-602018-1902-68 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Scotsman Industries Inc Div Scotsman Ice Systems
6515-01-563-667290123 INTERCHANGEABLE
Illuminator,surgical
Welch Allyn, Inc.
Cross-Reference Index
Part NumberManufacturer
668405-5 PRIMARY Lockheed Martin Corp (USA)
90123 Hydra-Electric Company Dba Hydra-Electric Co (USA)
Related Parts
6220-00-055-1184INTERCHANGEABLE
LENS,LIGHT
90123
6510-00-201-1750INTERCHANGEABLE
BANDAGE,GAUZE
8875-00
4720-00-419-3259INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
68479
5935-01-257-3506INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
90123
4920-01-300-2025INTERCHANGEABLE
TEST PROGRAM SET
90123
5910-01-310-6020INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
18-1902-68
6515-01-563-6672INTERCHANGEABLE
ILLUMINATOR,SURGICAL
90123

Frequently Asked Questions

What is NSN 5930-00-814-4052?

NSN 5930-00-814-4052 is a Switch,pressure, manufactured by Lockheed Martin Corp, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-814-4052?

NSN 5930-00-814-4052 has 2 cross-referenced part numbers: 668405-5 (Lockheed Martin Corp), 90123 (Hydra-Electric Company Dba Hydra-Electric Co).

What NSN replaces 5930-00-814-4052?

There are 7 known substitutes for 5930-00-814-4052: 6220-00-055-1184, 6510-00-201-1750, 4720-00-419-3259 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 668405-5?

Key specifications for 668405-5: Pressure Switch Type: DIFFERENTIAL; Terminal Type: CONNECTOR, RECEPTACLE; Mounting Method: FLANGE; Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com