PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U94AUConnector-Switch Assembly

Joint Electronics Type Designation System · NSN 5999-00-553-9352 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-553-9352 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-553-9352. Primary manufacturer part number: U94AU.
Features
  • Connector-Switch Assembly — FSC 5999
  • General Characteristics Item Description: 4-CONDUCTOR SWITCH JACK,MOLDED NYLON SHELL; BERLY-COPPER NICKEL-PLATED CONTACTS
  • General Characteristics Item Description: 4-CONDUCTOR SWITCH JACK,MOLDED NYLON SHELL; BERLY-COPPER NICKEL-PLATED CONTACTS
  • 18 verified cross-references
  • Primary manufacturer: Joint Electronics Type Designation System
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Connector-Switch Assembly, cataloged under National Stock Number 5999-00-553-9352, 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 Joint Electronics Type Designation System. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-553-9352
Primary Part NumberU94AU
Item NameConnector-Switch Assembly
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusCANCELLED
General Characteristics Item Description4-CONDUCTOR SWITCH JACK,MOLDED NYLON SHELL; BERLY-COPPER NICKEL-PLATED CONTACTS
General Characteristics Item Description4-CONDUCTOR SWITCH JACK,MOLDED NYLON SHELL; BERLY-COPPER NICKEL-PLATED CONTACTS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeW
Unit of IssueEA
SMR CodeDZ
Weight1.0000 lbs
Cube0.0608 cu ft
Verified Substitutes 12
Braid,wire
5999-01-540-3645M9177/5-2 SUCCESSOR
Connector-Switch
Amphenol Corporation Dba Amphenol Nexus Technologies
5340-00-032-3805 INTERCHANGEABLE
Clamp,loop
2920-00-158-2674105-155 INTERCHANGEABLE
Regulator,engine Generator
Prestolite Electric Inc
6625-00-168-00372166 INTERCHANGEABLE
Calibrator,electrical Power
Spectrum Control Inc Div Weinschel
4240-00-233-7718584 INTERCHANGEABLE
Goggles,industrial
Square D Co Monroe Plant
6675-00-253-55012310-140 INTERCHANGEABLE
Template,drafting
Dietzgen Corp
5210-00-267-1949 INTERCHANGEABLE
Clamp,handle,steel Tape
6625-00-272-9906 INTERCHANGEABLE
Ammeter
2530-00-383-5052404239 INTERCHANGEABLE
Steering Wheel
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
Cross-Reference Index
Part NumberManufacturer
U94AU PRIMARY Joint Electronics Type Designation System (USA)
749691-501 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
584 Telegartner Karl Gartner Gmbh (DEU)
53D13468 Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA)
5L4531-001-08 Hensoldt Sensors Gmbh Div Seps (DEU)
2166 Viz Manufacturing Company (USA)
420925 Raytheon Technical Services Company (USA)
U94A/U Leonardo Spa Helicopters Division - Production Site (ITA)
U94A/U Telegartner Karl Gartner Gmbh (DEU)
SCD35602-2 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
53C13468 Cinch Connectivity Solutions Inc. (USA)
119552 Trw Assemblies and Fasteners Group Fasteners Div (USA)
K2963 Winchester Interconnect Corporation (USA)
749691-501 Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA)
U94AU Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
U-94A/U O&s Aviation Srl (ITA)
U94AU Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
MILP9222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6145-00-194-9830SUCCESSOR
BRAID,WIRE
5999-01-540-3645SUCCESSOR
CONNECTOR-SWITCH
M9177/5-2
5340-00-032-3805INTERCHANGEABLE
CLAMP,LOOP
2920-00-158-2674INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
105-155
6625-00-168-0037INTERCHANGEABLE
CALIBRATOR,ELECTRICAL POWER
2166
4240-00-233-7718INTERCHANGEABLE
GOGGLES,INDUSTRIAL
584
6675-00-253-5501INTERCHANGEABLE
TEMPLATE,DRAFTING
2310-140
5210-00-267-1949INTERCHANGEABLE
CLAMP,HANDLE,STEEL TAPE
6625-00-272-9906INTERCHANGEABLE
AMMETER
2530-00-383-5052INTERCHANGEABLE
STEERING WHEEL
404239
1650-00-646-7488INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
11955-2
3020-01-012-3466INTERCHANGEABLE
GEAR,SPUR
119552

Frequently Asked Questions

What is NSN 5999-00-553-9352?

NSN 5999-00-553-9352 is a Connector-Switch Assembly, manufactured by Joint Electronics Type Designation System, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-553-9352?

NSN 5999-00-553-9352 has 18 cross-referenced part numbers: U94AU (Joint Electronics Type Designation System), 749691-501 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 584 (Telegartner Karl Gartner Gmbh), 53D13468 (Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)), 5L4531-001-08 (Hensoldt Sensors Gmbh Div Seps) and 13 more.

What NSN replaces 5999-00-553-9352?

There are 12 known substitutes for 5999-00-553-9352: 6145-00-194-9830, 5999-01-540-3645, 5340-00-032-3805 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U94AU?

Key specifications for U94AU: General Characteristics Item Description: 4-CONDUCTOR SWITCH JACK,MOLDED NYLON SHELL; BERLY-COPPER NICKEL-PLATED CONTACTS; General Characteristics Item Description: 4-CONDUCTOR SWITCH JACK,MOLDED NYLON SHELL; BERLY-COPPER NICKEL-PLATED CONTACTS. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-553-9352 still in active supply?

NSN 5999-00-553-9352 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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