RL90-18/24

View detailed technical data, stock status, and sourcing information for: RL90-18/24
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Federal Supply Group

Refrigeration, Air Conditioning, and Air Circulating Equipment

Federal Supply Classification

4140 Blower Equipment, Air Circulators and Fans

National Stock Number

4140-01-276-6621

Item Name Code

04254

Assigment Date

04/10/1988 (38 years ago)

2500.0 operating speed at rated capacity in rpm, single speed speed adjustments, -30.0 celsius and 72.0 celsius ambient temp at full rated power, 1.040 inches nominal width, 3.854 inches nominal diameter

Product Characteristics

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

Speed Adjustments: single speed
Width: 1.040 inches nominal
Diameter: 3.854 inches nominal
Ambient Temp At Full Rated Power: -30.0 celsius and 72.0 celsius
Operating Speed At Rated Capacity In Rpm: 2500.0
End Item Identification: w/s:test set electronic sys, sirect support (dsests); direct support electrical sys, test set (dsets), an/usm-615
Electrical Connection Type: wire lead
Static Pressure At Specified Air Flow Rate: 0.1 inches of water
Drive Type: direct
Prime Mover Type: electric motor
Inclosure Type: partially inclosed
Mounting Facility Type And Quantity: 2 base plate
Rotation Direction For Which Designed: clockwise
Air Flow Rate: 28.0 cubic feet per minute nominal
Outlet Location: bottom
Voltage In Volts And Current Type: 24.0 dc
Prime Mover Power Rating: 19.0 watts and 28.0 watts
Prime Mover Drive Shaft Bearing Type: ball
Discharge Direction: horizontal
Material: plastic polyamide (nylon) blade
Material: plastic polycarbonate housing

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4140-01-243-0129	No Name Available	07/01/1994

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
4140012766621	Centrifugal Fan
9358549	Centrifugal Fan
RL90-18/14N	Centrifugal Fan
RL90-18/24	Centrifugal Fan

FAQs

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

What is the FSCG of the NSN 4140-01-276-6621?

The FSCG of the NSN 4140-01-276-6621 is 4140

Does the NSN 4140-01-276-6621 have a Schedule B code assigned?

Yes, the Schedule B code is 8414599080

Does NSN 4140-01-276-6621 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 4140-01-276-6621 contain precious materials?

Item does not contain precious metal.

Does NSN 4140-01-276-6621 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 4140-01-276-6621 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sun, Apr 10, 1988