281010-0001PC4

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-972-9951

Item Name Code

22113

Assigment Date

01/01/1962 (64 years ago)

A capacitor whose capacitance value cannot be adjusted or varied, having a plastic, plastic film, plasticized (plastic impregnated) paper, or any combination of plastic and paper or plastic and paper films as the dielectric material. The plastic may be one or more types of synthetic compounds such as polyesters, polyfluorides, polycabonates, and the like. It may be a single unit, or consist of two or more fixed units which cannot be separated. For items whose electrodes consist of a metallic film deposited (metallized) on the dielectric material, see capacitor, fixed, metallized, paper-plastic dielectric.

0.479 inches minimum and 0.483 inches maximum body outside diameter, 0.010 inches nominal seat radius, 0.499 inches nominal flange diameter, 0.081 inches minimum and 0.084 inches maximum flange seat to disk end height, 0.280 inches nominal body inside diameter

Product Characteristics

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

Flange Diameter: 0.499 inches nominal
Body Outside Diameter: 0.479 inches minimum and 0.483 inches maximum
Body Inside Diameter: 0.280 inches nominal
Seat Radius: 0.010 inches nominal
Flange Seat To Disk End Height: 0.081 inches minimum and 0.084 inches maximum
Under Flange Height: 0.152 inches minimum and 0.154 inches maximum
Seating Surface Shape: radial
Material: steel overall
Surface Treatment: plastic polyamide overall
Style Designator: plain flanged

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-368-8318	No Name Available	12/01/1992

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
148723-11	Valve Seat
201892-0001	Valve Seat
281010-0001PC4	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-972-9951?

The FSCG of the NSN 4820-00-972-9951 is 4820

Does the NSN 4820-00-972-9951 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-972-9951 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 4820-00-972-9951 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-972-9951 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 4820-00-972-9951 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962