S2680-1

View detailed technical data, stock status, and sourcing information for: S2680-1
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-141-9216

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

30.000 inches nominal overall length, flange single inlet inlet connection type, dry design type, air coolant type, 12.375 inches nominal overall 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: 30.000 inches nominal
Inlet Connection Type: flange single inlet
Overall Diameter: 12.375 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: directional vane w/integral spark arrestor
Baffle Quantity: 1
Tube Quantity: 4
Body Shape: round
Operating Position: horizontal
Inlet Location: centrally in end section of body single inlet
Inlet Projection Length: 3.000 inches nominal single inlet3.000 inches nominal
Inlet Flange Shape: round single inlet
Inlet Flange Mounting Provision And Quantity: 8 holes single inlet8 holes
Inlet Flange Mounting Hole Diameter: 0.750 inches nominal single inlet0.750 inches nominal
Inlet Flange Mounting Provision Spacing: 7-1/2 in. dia bolt circle single inlet
Outlet Connection Type: flange 1st outlet
Outlet Location: centrally in end section of body 1st outlet
Outlet Projection Length: 3.000 inches nominal 1st outlet3.000 inches nominal
Outlet Flange Shape: round 1st outlet
Outlet Flange Mounting Provision And Quantity: 8 holes 1st outlet8 holes
Outlet Flange Mounting Hole Diameter: 0.750 inches nominal 1st outlet0.750 inches nominal
Outlet Flange Mounting Provision Spacing: 7-1/2 in. dia bolt circle 1st outlet
Hand Hole Quantity: 2
Material: steel location not otherwise specified
Nondefinitive Spec/Std Data: a type
Departure From Cited Designator: arnh,abhp,adav,acqw,arnj,arnk,arnl,arnm,arnn,arnp,arnq,arnr,arns,arnt,arnw,arnx,acrx,arsp,arsq,arte,artg,arth,artj,artk,artl,artm,artn,artp,artq,artr,arts,artt,artw,artx,arty,artz,arwa,ajlw

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-414-0117	No Name Available	01/01/1963

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
MILM15337TYPEA	Exhaust Muffler
S2680-1	Exhaust Muffler
WMU8-4E7664	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-141-9216?

The FSCG of the NSN 2990-00-141-9216 is 2990

Does the NSN 2990-00-141-9216 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-141-9216 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 2990-00-141-9216 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-141-9216 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 2990-00-141-9216 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963