86135-M

View detailed technical data, stock status, and sourcing information for: 86135-M
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-057-1453

Item Name Code

10849

Assigment Date

06/01/1967 (59 years ago)

3.005 inches minimum and 3.025 inches maximum 1st outlet outlet inside diameter, unthreaded 2nd inlet inlet connection type, 8.500 inches nominal overall diameter, 43.000 inches nominal overall length, unthreaded 1st inlet inlet connection type

Product Characteristics

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

Overall Length: 43.000 inches nominal
Inlet Connection Type: unthreaded 1st inlet
Inlet Connection Type: unthreaded 2nd inlet
Overall Diameter: 8.500 inches nominal
Outlet Inside Diameter: 3.005 inches minimum and 3.025 inches maximum 1st outlet
Design Type: dry
Coolant Type: air
Muffler Design: multipass
Tube Quantity: 3
Body Shape: round
Operating Position: horizontal
Inlet Location: dual inlet located on end of body single inlet
Inlet Projection Length: 2.500 inches nominal 1st inlet
Inlet Projection Length: 2.500 inches nominal 2nd inlet
Inlet Inside Diameter: 3.005 inches minimum and 3.005 inches minimum and 3.025 inches maximum 2nd inlet3.025 inches maximum single inlet
Inlet Inside Diameter: 3.005 inches minimum and 3.025 inches maximum 1st inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: offset on end of body 1st outlet
Outlet Projection Length: 2.500 inches nominal 1st outlet
Material: steel location not otherwise specified
Surface Treatment: aluminum alloy

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-977-9188	No Name Available	12/01/1978

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
10514	Exhaust Muffler
10514-N	Exhaust Muffler
240683R1	Exhaust Muffler
240683R91	Exhaust Muffler
2ME356A	Exhaust Muffler
86135-M	Exhaust Muffler
873807R91	Exhaust Muffler
ABT10514	Exhaust Muffler
MZM085016	Exhaust Muffler
T-10514	Exhaust Muffler
T-86135	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-057-1453?

The FSCG of the NSN 2990-00-057-1453 is 2990

Does the NSN 2990-00-057-1453 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-057-1453 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 2990-00-057-1453 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-057-1453 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 2990-00-057-1453 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Thu, Jun 1, 1967