2990-00-710-2697

Find complete technical information, availability, and procurement data for: 2990-00-710-2697

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2990-00-710-2697
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-710-2697
Item Name Code
10849
Assigment Date
01/01/1963 (63 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

air coolant type, 3.250 inches nominal overall diameter, 3.375 inches nominal overall length, unthreaded single inlet inlet connection type, dry design 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
3.375 inches nominal
Inlet Connection Type
unthreaded single inlet
Overall Diameter
3.250 inches nominal
Design Type
dry
Coolant Type
air
Muffler Design
straight through w/baffle
Baffle Quantity
1
Body Shape
round
Operating Position
universal
Inlet Location
centered on end of body single inlet
Inlet Outside Diameter
1.625 inches nominal single inlet1.625 inches nominal
Outlet Connection Type
unthreaded 1st outlet
Outlet Location
centered on end of body 1st outlet
Outlet Outside Diameter
1.188 inches nominal 1st outlet1.188 inches nominal
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Below is a list of NSNs that have been officially superseded by this NSN: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
2990-00-815-4065 No Name Available 11/01/1975

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
2990PL0893329 Exhaust Muffler
2990PL1695131 Exhaust Muffler
A220521 Exhaust Muffler
ABT5698 Exhaust Muffler
EN1-17 Exhaust Muffler
MP220521 Exhaust Muffler
T-5698 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-710-2697?
The FSCG of the NSN 2990-00-710-2697 is 2990
Does the NSN 2990-00-710-2697 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-710-2697 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 2990-00-710-2697 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-710-2697 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 2990-00-710-2697 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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