2990-00-221-4433

Find complete technical information, availability, and procurement data for: 2990-00-221-4433

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2990-00-221-4433
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-221-4433
Item Name Code
10849
Assigment Date
06/16/1969 (57 years ago)

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus of minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, and the like, shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable. For items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes:resistor (1), variable, nonwire wound; nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, precision.

dry design type, right-hand single inlet inlet thread direction, 2.000 inches nominal overall length, threaded single inlet inlet connection type, 2.250 inches nominal overall diameter

Product Characteristics

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

Overall Length
2.000 inches nominal
Inlet Connection Type
threaded single inlet
Inlet Thread Direction
right-hand single inlet
Overall Diameter
2.250 inches nominal
Design Type
dry
Coolant Type
air
Muffler Design
straight through
Body Shape
round
Operating Position
universal
Inlet Location
center of end section single inlet
Inlet Projection Length
0.812 inches nominal single inlet0.812 inches nominal
Inlet Thread Size
0.375-18 single inlet
Inlet Thread Series Designator
npt single inlet
Inlet Thread Location
external single inlet
Nonconnection Outlet Type And Quantity
1 round hole
Nonconnection Outlet Location
center of end section
Nonconnection Outlet Size
1.750 in. dia
Special Features
foam rubber filter
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
Z-129C Exhaust Muffler
Z129C Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-221-4433?
The FSCG of the NSN 2990-00-221-4433 is 2990
Does the NSN 2990-00-221-4433 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-221-4433 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 2990-00-221-4433 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-221-4433 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 2990-00-221-4433 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Mon, Jun 16, 1969

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