35-4038

View detailed technical data, stock status, and sourcing information for: 35-4038
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-235-4708

Item Name Code

60804

Assigment Date

10/24/1969 (56 years ago)

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.

steel corrosion resisting material, 1.625 inches nominal outside diameter, 0.0650 inches nominal wall thickness, 13.810 inches nominal overall length, weldment design form

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Wall Thickness: 0.0650 inches nominal
Design Form: weldment
Nominal Outside Diameter: 1.625 inches
Nominal Overall Length: 13.810 inches
Material: steel corrosion resisting
Material Document And Classification: a269 national spec single material response
Furnished Items And Quantity: 1 flange

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
13205E5457	Exhaust Pipe
35-4038	Exhaust Pipe

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 2990-00-235-4708?

The FSCG of the NSN 2990-00-235-4708 is 2990

Does the NSN 2990-00-235-4708 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-235-4708 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 2990-00-235-4708 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-235-4708 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 2990-00-235-4708 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Oct 24, 1969