4820-01-444-5501

Find complete technical information, availability, and procurement data for: 4820-01-444-5501
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-444-5501

Item Name Code

32559

Assigment Date

05/09/1997 (29 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

material will be in accordance with naval inventory control point, mechanicsburg, activity hx quality control, manufacturing and testing specifications reference number differentiating characteristics, zzzy criticality code justification

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 naval inventory control point, mechanicsburg, 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
SP-B-39-S-2ITEMB	Ported Valve Ball
SPH-K102	Ported Valve Ball

FAQs

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

What is the FSCG of the NSN 4820-01-444-5501?

The FSCG of the NSN 4820-01-444-5501 is 4820

Does the NSN 4820-01-444-5501 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-444-5501 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 4820-01-444-5501 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-444-5501 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 4820-01-444-5501 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, May 9, 1997