1256-47

View detailed technical data, stock status, and sourcing information for: 1256-47
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-214-8171

Item Name Code

10849

Assigment Date

04/22/1973 (53 years ago)

11.500 inches nominal overall width, 32.000 inches nominal overall length, unthreaded single inlet inlet connection type, 8.240 inches nominal overall height, 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: 32.000 inches nominal
Overall Height: 8.240 inches nominal
Overall Width: 11.500 inches nominal
Inlet Connection Type: unthreaded single inlet
Design Type: dry
Coolant Type: air
Muffler Design: straight through w/baffle
Baffle Quantity: 1
Body Shape: oval
Operating Position: universal
Inlet Location: located on side on body single inlet
Inlet Inside Diameter: 4.025 inches nominal single inlet4.025 inches nominal
Material: steel location not otherwise specified
Surface Treatment: aluminum

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
1256-47	Exhaust Muffler
ABT11101	Exhaust Muffler
T-1101	Exhaust Muffler
T-11101	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-214-8171?

The FSCG of the NSN 2990-00-214-8171 is 2990

Does the NSN 2990-00-214-8171 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-214-8171 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 2990-00-214-8171 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-214-8171 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 2990-00-214-8171 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sun, Apr 22, 1973