4820-00-181-9511

Find complete technical information, availability, and procurement data for: 4820-00-181-9511
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-181-9511

Item Name Code

16991

Assigment Date

09/10/1971 (54 years ago)

A replaceable device designed to remove dust, pollen or other foreign matter from the air passing through it. The removal of particles is accomplished by porous fibrous or shredded material (metallic or nonmetallic) which is loosely woven or matted and confined in a frame or retained between perforated sheets of firmer material. It is designed to fit into air conditioners, ventilation systems and hot air furnaces. It may have facilities for radio frequency/electromagnetic interference shielding. The filter may be cleaned by the use of compressed air, blown through the filter element, or by using water and a suitable detergent for cleaning purposes which would extend the life of the filter.

zzzy criticality code justification, material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications. reference number differentiating characteristics

Product Characteristics

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

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications.

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
112D8780PC33	Plug Cock

FAQs

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

What is the FSCG of the NSN 4820-00-181-9511?

The FSCG of the NSN 4820-00-181-9511 is 4820

Does the NSN 4820-00-181-9511 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-181-9511 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-00-181-9511 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-181-9511 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 4820-00-181-9511 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Sep 10, 1971