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Cage Codes
Cage 4k539
Optical Sighting and Ranging Equipment

Polytechnic Industries, Inc.

Category: Optical Sighting and Ranging Equipment United States
Cage Code: 4K539
Type Code: A
Page: 1 of 1

Item

National Stock Number

Item Description

Part Number:

SM-C-657654 assembly

NSN:

1240-01-062-3136

transducer assembly

Part Number:

10555620 sighting

NSN:

1240-01-134-7103

device sighting

Part Number:

13160699 assembly

NSN:

1240-01-178-8649

optical instrument cell assembly

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Through 30mm Guns (2)
Over 30mm Up To 75mm Guns (1)
Miscellaneous Weapons (1)
Fire Control Directors (1)
Fire Control Computing Sights and Devices (2)
Optical Sighting and Ranging Equipment (3)
Fire Control Designating and Indicating Equipment (1)
Aircraft Bombing Fire Control Components (1)
Except Airborne Fire Control Radar Equipment (4)
Miscellaneous Fire Control Equipment (2)
Guided Missile Components (5)
Guided Missile Remote Control Systems (5)
Guided Missile Launchers (32)
Guided Missile Handling and Servicing Equipment (1)
Aircraft Air Conditioning, Heating and Pressurizing Equipment (1)
Miscellaneous Aircraft Accessories and Components (2)
Aircraft Ground Servicing Equipment (1)
Gears, Pulleys, Sprockets and Transmission Chain (6)
Miscellaneous Power Transmission Equipment (2)
Bearings Plain Unmounted (2)
Mounted Bearings (1)
Blocks, Tackle, Rigging and Slings (1)
Hose and Flexible Tubing (1)
Hose, Pipe, Tube, Lubrication and Railing Fittings (2)
Fire Control Maintenance and Repair Shop Specialized Equipment (2)
Guided Missile Maintenance, Repair and Checkout Specialized Equipment (3)
Miscellaneous Maintenance and Repair Shop Specialized Equipment (1)
Screws (1)
Commercial Hardware (1)
Coil, Flat, Leaf and Wire Springs (3)
Bushings, Rings, Shims and Spacers (1)
Teletype and Facsimile Equipment (1)
Radio and Television Communication Equipment, Except Airborne (1)
Radio and Television Communication Equipment, Airborne (1)
Night Vision Equipment, Emitted and Reflected Radiation (5)
Miscellaneous Communication Equipment (2)
Filters and Networks (1)
Switches (8)
Electrical Connectors (8)
Relays and Solenoids (2)
Coils and Transformers (2)
Electron Tubes and Associated Hardware (1)
Antennas, Waveguides and Related Equipment (27)
Synchros and Resolvers (8)
Electrical and Electronic Assemblies, Boards, Cards and Associated Hardware (5)
Miscellaneous Electrical and Electronic Components (3)
Miscellaneous Alarm, Signal and Security Detection Systems (1)
Electrical and Electronic Properties Measuring and Testing Instruments (6)
Optical Instruments, Test Equipment, Components and Accessories (2)
Pressure, Temperature and Humidity Measuring and Controlling Instruments (1)

Polytechnic Industries, Inc.

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