T-8706

View detailed technical data, stock status, and sourcing information for: T-8706

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T-8706
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-971-5751
Item Name Code
10849
Assigment Date
09/28/1966 (59 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

dry design type, 10.400 inches nominal overall length, unthreaded single inlet inlet connection type, 6.500 inches nominal overall diameter, 1.654 inches minimum and 1.674 inches maximum 1st outlet outlet inside diameter

Product Characteristics

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

Overall Length
10.400 inches nominal
Inlet Connection Type
unthreaded single inlet
Overall Diameter
6.500 inches nominal
Outlet Inside Diameter
1.654 inches minimum and 1.674 inches maximum 1st outlet
Design Type
dry
Coolant Type
air
Muffler Design
multipass
Baffle Quantity
1
Tube Quantity
2
Body Shape
round
Operating Position
vertical
Inlet Location
located 1.563 in. c to c from horizontal center line single inlet
Inlet Projection Length
1.250 inches nominal single inlet1.250 inches nominal
Inlet Outside Diameter
2.031 inches minimum and 2.051 inches maximum single inlet
Inlet Inside Diameter
1.905 inches minimum and 1.925 inches maximum single inlet
Outlet Connection Type
unthreaded 1st outlet
Outlet Location
located 1.938 in. c to c from horizontal center line 1st outlet
Outlet Projection Length
2.375 inches nominal 1st outlet2.375 inches nominal
Outlet Outside Diameter
1.780 inches minimum and 1.800 inches maximum 1st outlet
Material
steel location not otherwise specified
Fsc Application Data
engine exhaust system,nonaircraft

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2990-00-116-8090 No Name Available 01/01/2009
2990-00-184-7997 No Name Available 06/13/1973
2990-00-477-1999 No Name Available 11/01/1976

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
155-0824 Exhaust Muffler
155-824 Exhaust Muffler
155B824 Exhaust Muffler
8486 Exhaust Muffler
ABT8486 Exhaust Muffler
ABT8706 Exhaust Muffler
MUF253 Exhaust Muffler
T-8486 Exhaust Muffler
T-8706 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-971-5751?
The FSCG of the NSN 2990-00-971-5751 is 2990
Does the NSN 2990-00-971-5751 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-971-5751 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 2990-00-971-5751 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-971-5751 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 2990-00-971-5751 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Wed, Sep 28, 1966

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