WS425 B4A3B

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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6660 Meteorological Instruments and Apparatus

National Stock Number

6660-01-481-8686

Item Name Code

01947

Assigment Date

01/30/2001 (25 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

low level windshear alert system,network expansion (llwas-ne) end item identification, original name ultrasonic wind sensor;1a4a1, ti 6560.61a, instruction book, llwas, ne, pg 8-6 special features

Product Characteristics

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

End Item Identification: low level windshear alert system,network expansion (llwas-ne)
Special Features: original name ultrasonic wind sensor;1a4a1, ti 6560.61a, instruction book, llwas, ne, pg 8-6

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
425T-1	Wind Direction Detector
WAS425T-1	Wind Direction Detector
WS425 B2A3A	Wind Direction Detector
WS425 B2D1A	Wind Direction Detector
WS425 B4A3B	Wind Direction Detector
WS425 B4A4A	Wind Direction Detector
WS425T-1	Wind Direction Detector

FAQs

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

What is the FSCG of the NSN 6660-01-481-8686?

The FSCG of the NSN 6660-01-481-8686 is 6660

Does the NSN 6660-01-481-8686 have a Schedule B code assigned?

Yes, the Schedule B code is 9015900100

Does NSN 6660-01-481-8686 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 6660-01-481-8686 contain precious materials?

Item does not contain precious metal.

Does NSN 6660-01-481-8686 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 6660-01-481-8686 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Tue, Jan 30, 2001