Product Details | BREATHER

2520-01-437-6115 A mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase, vehicular differentials and transmissions, pumps, compressors, and the like. See also CAP, VENT, FUEL STORAGE TANK. excludes VENTALATOR (as modified).20716150056Helicopter Rotor Blades, Drive Mechanisms and Components25200039Vehicular Power Transmission Components28050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components30400042Miscellaneous Power Transmission Equipment43100028Compressors and Vacuum Pumps

Part Alternates: 1N3477, 2520-01-437-6115, 01-437-6115, 2520014376115, 014376115

Vehicular Equipment Components | Vehicular Power Transmission Components

Supply Group (FSG) NSN Assign. NIIN
25 18 OCT 1996 01-437-6115

Cross Reference | NSN 2520-01-437-6115

Part Number Cage Code Manufacturer
1N3477 11083 CATERPILLAR INC. DBA CATERPILLAR

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Technical Data | NSN 2520-01-437-6115

Characteristic Specifications
SPECIAL FEATURES BREATHER IN-3477 GP

Restrictions/Controls & Freight Information | NSN 2520-01-437-6115

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information