27Z414

View detailed technical data, stock status, and sourcing information for: 27Z414
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-010-1678

Item Name Code

10849

Assigment Date

09/24/1975 (50 years ago)

A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coil(s). Includes solenoid and armature types. Excludes:contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.

dry design type, 30.000 inches nominal overall length, 3.000 inches nominal 1st outlet3.000 inches nominal outlet inside diameter, 6.000 inches nominal overall diameter, unthreaded single inlet inlet connection 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: 30.000 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 6.000 inches nominal
Outlet Inside Diameter: 3.000 inches nominal 1st outlet3.000 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: straight through w/baffle
Baffle Quantity: 3
Tube Quantity: 1
Body Shape: round
Inlet Location: centrally located in end section of body single inlet
Inlet Projection Length: 5.000 inches nominal single inlet5.000 inches nominal
Inlet Inside Diameter: 3.000 inches nominal single inlet3.000 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: centrally located in end section of body 1st outlet
Outlet Projection Length: 5.000 inches nominal 1st outlet5.000 inches nominal
Material: steel location not otherwise specified
Surface Treatment: aluminum alloy

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-436-3088	No Name Available	07/01/1979

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
27Z414	Exhaust Muffler
HD300	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-01-010-1678?

The FSCG of the NSN 2990-01-010-1678 is 2990

Does the NSN 2990-01-010-1678 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-01-010-1678 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 2990-01-010-1678 contain precious materials?

Precious metal content is unknown

Does NSN 2990-01-010-1678 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 2990-01-010-1678 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Wed, Sep 24, 1975