Q88-29

View detailed technical data, stock status, and sourcing information for: Q88-29

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Q88-29
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-122-0658
Item Name Code
61446
Assigment Date
10/28/1968 (57 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 material, w/mounting hardware special features, 2.688 inches pipe outside diameter accommodated

Product Characteristics

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

Pipe Outside Diameter Accommodated
2.688 inches
Special Features
w/mounting hardware
Material
steel

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2990-00-058-6567 No Name Available 01/01/1977
2990-00-419-9230 No Name Available 05/01/1977
2990-00-489-5911 No Name Available 03/01/1977
2990-00-497-1878 No Name Available 03/01/1977
2990-00-570-9404 No Name Available 12/01/1976
2990-00-630-0053 No Name Available 02/01/1978
2990-00-813-8208 No Name Available 08/30/1972
2990-00-821-2063 No Name Available 05/01/1977
2990-00-891-6784 No Name Available 08/30/1972
2990-00-920-0942 No Name Available 08/30/1972
2990-00-927-4217 No Name Available 03/01/1977
2990-00-947-6064 No Name Available 01/01/1977
2990-01-480-9201 No Name Available 07/01/2019

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
11007SIZE6 Muffler- Protective Cap Assembly
13217E0544 Muffler- Protective Cap Assembly
13217E0544-2 Muffler- Protective Cap Assembly
283280R91 Muffler- Protective Cap Assembly
321574R91 Muffler- Protective Cap Assembly
538454 Muffler- Protective Cap Assembly
538800-2 Muffler- Protective Cap Assembly
565317 Muffler- Protective Cap Assembly
64180M91 Muffler- Protective Cap Assembly
66C43118 Muffler- Protective Cap Assembly
71277-7 Muffler- Protective Cap Assembly
764180M91 Muffler- Protective Cap Assembly
77-250 Muffler- Protective Cap Assembly
7X Muffler- Protective Cap Assembly
C4-30 Muffler- Protective Cap Assembly
D28028 Muffler- Protective Cap Assembly
FB0019 Muffler- Protective Cap Assembly
P27-0534 Muffler- Protective Cap Assembly
Q88-29 Muffler- Protective Cap Assembly
RC-250 Muffler- Protective Cap Assembly

FAQs

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

What is the FSCG of the NSN 2990-00-122-0658?
The FSCG of the NSN 2990-00-122-0658 is 2990
Does the NSN 2990-00-122-0658 have a Schedule B code assigned?
Yes, the Schedule B code is 8412909080
Does NSN 2990-00-122-0658 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 2990-00-122-0658 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-122-0658 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 2990-00-122-0658 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Mon, Oct 28, 1968

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