American Optical Co Bearings

United States company

NSN

Part Number

Description

NSN:

4240-01-245-3330

Part Number:

51039 cartridge

air filteri respirator cartridge

NSN:

4240-01-245-3331

Part Number:

R49A filter

air filtering respirator filter

NSN:

4240-01-245-5912

Part Number:

R54A cartridge

air filteri respirator cartridge

NSN:

4240-01-245-5913

Part Number:

R56A cartridge

air filteri respirator cartridge

NSN:

4240-01-245-5914

Part Number:

R57A cartridge

air filteri respirator cartridge

NSN:

4240-01-247-7230

Part Number:

R52HE cartridge

air filteri respirator cartridge

NSN:

4240-01-247-7231

Part Number:

R53HE cartridge

air filteri respirator cartridge

NSN:

4240-01-247-7232

Part Number:

R54HE cartridge

air filteri respirator cartridge

NSN:

4240-01-247-7233

Part Number:

R563A cartridge

air filteri respirator cartridge

NSN:

4240-01-247-7234

Part Number:

R59A cartridge

air filteri respirator cartridge

NSN:

4240-01-247-7235

Part Number:

R60A cartridge

air filteri respirator cartridge

NSN:

4240-01-247-7239

Part Number:

R50AW filter

air filtering respirator filter

NSN:

4240-01-248-0381

Part Number:

R51AP cartridge

air filteri respirator cartridge

NSN:

6650-01-249-9240

Part Number:

437 assembly

optical instru eyepiece assembly

NSN:

4240-01-250-2260

Part Number:

50216 mask

air filtering mask

NSN:

4240-01-250-2261

Part Number:

50041 respirator

air filtering respirator

NSN:

4240-01-250-2262

Part Number:

50434 respirator

air filtering respirator

NSN:

4240-01-250-2271

Part Number:

50824 respirator

air filtering respirator

NSN:

4240-01-250-2282

Part Number:

51422 cartridge

air filteri respirator cartridge

NSN:

4240-01-250-2283

Part Number:

R722A cartridge

air filteri respirator cartridge

NSN:

4240-01-250-2284

Part Number:

51420 cartridge

air filteri respirator cartridge

NSN:

4240-01-250-2291

Part Number:

R191 filter

air filtering respirator filter

NSN:

4240-01-250-7480

Part Number:

50208 mask

air filtering mask

NSN:

4240-01-250-8972

Part Number:

51072 adapter

cartridge adapter

NSN:

4240-01-250-8983

Part Number:

51385 cord

headband cord

Parts Categories

Assemblies Interchangeable Between Weapons In Two Or More Classes (24)
Optical Sighting And Ranging Equipment (11)
Underwater Use Explosive Ordnance Disposal And Swimmer Weapons Systems Tools And Equipment (4)
Transmission Chain Sprockets Pulleys Gears (2)
Miscellaneous Power Transmission Equipment (3)
Safety And Rescue Equipment (69)
Nonpowered Nonedged Hand Tools (1)
Craftsmen's Measuring Tools (1)
Screws (13)
Nuts And Washers (7)
Pins Machine Keys Nails (1)
Packing And Gasket Materials (2)
Commercial Hardware (3)
Abrasive Materials (3)
Knobs And Pointers (2)
Wire Springs Leaf Flat Coil (2)
Spacers Shims Rings Bushings (2)
Except Airborne Radio And Television Communication Equipment (1)
Except Airborne Radar Equipment (1)
Emitted And Reflected Radiation Night Vision Equipment (1)
Resistors (2)
Switches (3)
Relays And Solenoids (1)
Coils And Transformers (1)
Electrical Insulators And Insulating Materials (1)
Electrical Hardware And Supplies (4)
Wire Assemblies: Communication Equipment Cord Cable (1)
Miscellaneous Electrical And Electronic Components (1)
Fiber Optic Cables (1)
Fiber Optic Cable Assemblies And Harnesses (1)
Nonrotating Electrical Converters (1)
Rechargeable Batteries (4)
Miscellaneous Electric Power And Distribution Equipment (1)
Indoor And Outdoor Electric Lighting Fixtures (3)
Electric Lamps (6)
Drugs And Biologicals (1)
Supplies Equipment Medical And Surgical Instruments (4)
Supplies Equipment Ophthalmic Instruments (12)
Laboratory Equipment And Supplies (2)
Components And Accessories Test Equipment Optical Instruments (51)
Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow (1)
Still Picture Cameras (5)
Photographic Projection Equipment (3)
Photographic Equipment And Accessories (2)
Miscellaneous Chemical Specialties (2)
Adhesives (2)
Men's Outerwear (1)
Individual Equipment (1)
Glass Fabricated Materials (2)
Identification Plates Advertising Displays Signs (1)

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