Product Details | MUFFLER-EXHAUST PIPE PROTECTIVE CAP ASSEMBLY

2990-01-623-9013 An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. It is automatically opened when the engine is started by pressure exerted from the exhaust system. It is equipped with a hinging action and may or may not have a counter weight. Excludes CAP, PROTECTIVE, DUST AND MOISTURE SEAL.

Part Alternates: BP5685628 , P270530, 2990-01-623-9013, 01-623-9013, 2990016239013, 016239013

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 2013340 01-623-9013

Demand History | NSN 2990-01-623-9013

Part Number Request Date QTY Origin
P270530 2025-10-282 625 DIBBS
P270530 2025-10-278 1 DIBBS
P270530 2025-10-274 1 DIBBS
P270530 2025-09-271 4 DIBBS
P270530 2025-04-117 1 DIBBS
P270530 2024-09-253 1 DIBBS

Cross Reference | NSN 2990-01-623-9013

Part Number Cage Code Manufacturer
BP5685628 Z1286 EBSRAY PUMPS PTY LTD
P270530 18265 DONALDSON COMPANY, INC. DBA TORIT PRODUCTS
P270530 Z0R31 DONALDSON AUSTRALASIA PTY LTD

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Technical Data | NSN 2990-01-623-9013

Characteristic Specifications
PIPE OUTSIDE DIAMETER ACCOMMODATED 1.50 INCHES
SPECIAL FEATURES LENGTH: 7.7 HEIGHT: 3.4" WIDTH: 3.5" .07 LBS
PART NAME ASSIGNED BY CONTROLLING AGENCY RAIN CAP

Restrictions/Controls & Freight Information | NSN 2990-01-623-9013

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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