38BA400603

View detailed technical data, stock status, and sourcing information for: 38BA400603
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-890-5056

Item Name Code

10849

Assigment Date

04/08/1968 (58 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

dry design type, 3.000 inches nominal overall diameter, air coolant type, unthreaded single inlet inlet connection type, 11.688 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: 11.688 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 3.000 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: straight through w/baffle
Baffle Quantity: 3
Body Shape: round
Operating Position: universal
Inlet Location: offset on end of body single inlet
Inlet Projection Length: 1.782 inches nominal single inlet1.782 inches nominal
Inlet Outside Diameter: 0.875 inches nominal single inlet0.875 inches nominal
Inlet Inside Diameter: 0.878 inches minimum and 0.880 inches maximum single inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: offset on end of body 1st outlet
Outlet Projection Length: 1.969 inches nominal 1st outlet
Outlet Outside Diameter: 0.875 inches nominal 1st outlet
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
38BA400603	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-890-5056?

The FSCG of the NSN 2990-00-890-5056 is 2990

Does the NSN 2990-00-890-5056 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-890-5056 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 2990-00-890-5056 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-890-5056 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 2990-00-890-5056 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Mon, Apr 8, 1968