PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55860-10Light-Switch Assembly

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5999-00-995-4533 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-995-4533 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-995-4533. Primary manufacturer part number: 55860-10.
Features
  • Light-Switch Assembly — FSC 5999
  • Lamp Bulb Size Designator: T-1-3/4
  • Contact Arrangement: SINGLE POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Features Provided: LUMINOUS ACTUATOR AND TWISTOUT ENTRANCE
  • Component Type and Quantity: 4 SWITCH AND 4 LIGHT
  • Switch Type: PUSH
  • Lamp Base Style: MIDGET FLANGE
  • Lamp Bulb Size Designator: T-1-3/4
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Light-Switch Assembly, cataloged under National Stock Number 5999-00-995-4533, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 12 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-995-4533
Primary Part Number55860-10
Item NameLight-Switch Assembly
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Lamp Bulb Size DesignatorT-1-3/4
Contact ArrangementSINGLE POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Features ProvidedLUMINOUS ACTUATOR AND TWISTOUT ENTRANCE
Component Type and Quantity4 SWITCH AND 4 LIGHT
Switch TypePUSH
Lamp Base StyleMIDGET FLANGE
Lamp Bulb Size DesignatorT-1-3/4
Contact ArrangementSINGLE POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Features ProvidedLUMINOUS ACTUATOR AND TWISTOUT ENTRANCE
Component Type and Quantity4 SWITCH AND 4 LIGHT
Switch TypePUSH
Lamp Base StyleMIDGET FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 2
2530-00-558-6010 INTERCHANGEABLE
Roller,track Bogie
5998-01-147-76195586010 INTERCHANGEABLE
Circuit Card Assembly
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
55860-10 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
10B2-1CRX8E Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
Related Parts
2530-00-558-6010INTERCHANGEABLE
ROLLER,TRACK BOGIE
5998-01-147-7619INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5586010

Frequently Asked Questions

What is NSN 5999-00-995-4533?

NSN 5999-00-995-4533 is a Light-Switch Assembly, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-995-4533?

NSN 5999-00-995-4533 has 2 cross-referenced part numbers: 55860-10 (L3harris Technologies, Inc. Div Space and Airborne Systems), 10B2-1CRX8E (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging).

What NSN replaces 5999-00-995-4533?

There are 2 known substitutes for 5999-00-995-4533: 2530-00-558-6010, 5998-01-147-7619. Verify interchangeability with system specifications before substitution.

What are the specifications of 55860-10?

Key specifications for 55860-10: Lamp Bulb Size Designator: T-1-3/4; Contact Arrangement: SINGLE POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Features Provided: LUMINOUS ACTUATOR AND TWISTOUT ENTRANCE; Component Type and Quantity: 4 SWITCH AND 4 LIGHT. 14 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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