2990-00-568-8023

Find complete technical information, availability, and procurement data for: 2990-00-568-8023
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-568-8023

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

flange single inlet inlet connection type, dry design type, 10.960 inches nominal overall width, 5.460 inches nominal overall height, 24.750 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: 24.750 inches nominal
Overall Height: 5.460 inches nominal
Overall Width: 10.960 inches nominal
Inlet Connection Type: flange single inlet
Design Type: dry
Coolant Type: air
Muffler Design: straight through
Tube Quantity: 1
Body Shape: oval
Operating Position: horizontal
Inlet Location: centrally located in end section of body single inlet
Inlet Projection Length: 1.000 inches minimum and 1.031 inches maximum single inlet
Inlet Flange Shape: round single inlet
Outlet Connection Type: flange 1st outlet
Outlet Location: centrally located in end section of body 1st outlet
Outlet Projection Length: 0.906 inches minimum and 0.938 inches maximum 1st outlet
Outlet Flange Shape: round 1st outlet
Material: steel comp 304 or steel comp 321 or steel comp 347 or steel comp s7 or steel comp 430 location not otherwise specified
Material Document And Classification: qq-s-00766, class 304, 321, 347, 348 or 430 fed spec single material response

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
8734767	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-568-8023?

The FSCG of the NSN 2990-00-568-8023 is 2990

Does the NSN 2990-00-568-8023 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-568-8023 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 2990-00-568-8023 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-568-8023 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 2990-00-568-8023 was assigned to the Federal Catalog?

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