PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50551-8Switch Subassembly

Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc · NSN 5930-00-009-7499 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-009-7499 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-009-7499. Primary manufacturer part number: 50551-8.
Features
  • Switch Subassembly — FSC 5930
  • 3 verified cross-references
  • Primary manufacturer: Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch Subassembly, cataloged under National Stock Number 5930-00-009-7499, 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 Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc. 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
NSN5930-00-009-7499
Primary Part Number50551-8
Item NameSwitch Subassembly
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerDucommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-400-2194536138-1 INTERCHANGEABLE
Valve,globe
Raytheon Company Dba Raytheon
5950-01-451-16915018-T INTERCHANGEABLE
Reactor
G B International Trading Co Limited
Cross-Reference Index
Part NumberManufacturer
T314005608 Lockheed Martin Librascope Corporation (USA)
50551-8 PRIMARY Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA)
2550955-8 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4820-00-400-2194INTERCHANGEABLE
VALVE,GLOBE
536138-1
5950-01-451-1691INTERCHANGEABLE
REACTOR
5018-T

Frequently Asked Questions

What is NSN 5930-00-009-7499?

NSN 5930-00-009-7499 is a Switch Subassembly, manufactured by Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-009-7499?

NSN 5930-00-009-7499 has 3 cross-referenced part numbers: T314005608 (Lockheed Martin Librascope Corporation), 50551-8 (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc), 2550955-8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5930-00-009-7499?

There are 2 known substitutes for 5930-00-009-7499: 4820-00-400-2194, 5950-01-451-1691. Verify interchangeability with system specifications before substitution.

What are the specifications of 50551-8?

Key specifications for 50551-8: Overall Length: 2.168 INCHES NOMINAL IN; Special Features: MAJ COMP: BOLT 1; HOUSING 1; LEGEND ON HOUSING LENS, SNAKE. 2 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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