SPECIAL 16 DPSS

View detailed technical data, stock status, and sourcing information for: SPECIAL 16 DPSS
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-250-5631

Item Name Code

10849

Assigment Date

03/03/1987 (39 years ago)

flange single inlet inlet connection type, 16.000 inches nominal 1st outlet16.000 inches nominal outlet inside diameter, jacketed design type, 40.000 inches nominal overall diameter, 108.000 inches nominal overall length

Product Characteristics

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

Overall Length: 108.000 inches nominal
Inlet Connection Type: flange single inlet
Overall Diameter: 40.000 inches nominal
Outlet Inside Diameter: 16.000 inches nominal 1st outlet16.000 inches nominal
Design Type: jacketed
Body Shape: round
Operating Position: vertical
Inlet Location: centrally located in end section of body single inlet
Inlet Projection Length: 3.440 inches nominal single inlet
Inlet Flange Shape: round single inlet
Inlet Flange Mounting Provision And Quantity: 16 holes single inlet
Inlet Flange Mounting Hole Diameter: 1.125 inches nominal single inlet
Inlet Flange Mounting Provision Spacing: 1.328 in. c to c dim. of mtg holes single inlet
Inlet Outside Diameter: 23.500 inches nominal single inlet
Inlet Inside Diameter: 16.000 inches nominal single inlet
Outlet Connection Type: flange 1st outlet
Outlet Location: centrally located in end section of body 1st outlet
Outlet Projection Length: 3.440 inches nominal 1st outlet
Outlet Flange Shape: round 1st outlet
Outlet Flange Mounting Provision And Quantity: 16 holes 1st outlet
Outlet Flange Mounting Hole Diameter: 1.125 inches nominal 1st outlet
Outlet Flange Mounting Provision Spacing: 1.328 ins. c to c dim. of mtg holes 1st outlet
Outlet Outside Diameter: 23.500 inches nominal 1st outlet
Special Features: included as an integral part of the muffler is a dpss spark arrestor
Material: steel location not otherwise specified

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
11-911-103	Exhaust Muffler
140WTGB10013	Exhaust Muffler
SPECIAL 16 DPSS	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-01-250-5631?

The FSCG of the NSN 2990-01-250-5631 is 2990

Does the NSN 2990-01-250-5631 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-01-250-5631 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 2990-01-250-5631 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-01-250-5631 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 2990-01-250-5631 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Mar 3, 1987