4820-01-487-3165

Find complete technical information, availability, and procurement data for: 4820-01-487-3165
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-487-3165

Item Name Code

05488

Assigment Date

08/01/2001 (24 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

0.500 inches all ends nominal pipe size accommodated, bolted bonnet attachment method, spring disk loading method, inside spring bonnet type, disk flow control device

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.500 inches all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 350.0 fahrenheit single response
End Item Identification: cvn-68
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: flange all ends
Adjustable Pressure Range: +121.0 to 135.0 pounds per square inch
Maximum Operating Pressure: 135.0 pounds per square inch single response
Opening Pressure Setting: 135.0 pounds per square inch
Part Name Assigned By Controlling Agency: 1/2 inch relief valve, type 2741s
Special Features: service usage: main feed, cvn-68 overhaul
Material: steel comp 304 flow control device
Material: steel comp 304 seat
Material: steel comp 304 stem
Material: steel uns j92600 body
Material Document And Classification: astm a351 gr cf8 assn std single material response body
Material Document And Classification: astm a479 ty 304 assn std single material response flow control device
Material Document And Classification: astm a479 ty 304 assn std single material response seat
Material Document And Classification: astm a479 ty 304 assn std single material response stem
Style Designator: angle flanged ends

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
20360PS41SS	Safety Relief Valve
20360PS41SS/CD1	Safety Relief Valve
20360PS41SS/CD17030	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-487-3165?

The FSCG of the NSN 4820-01-487-3165 is 4820

Does the NSN 4820-01-487-3165 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-487-3165 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 4820-01-487-3165 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-487-3165 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 4820-01-487-3165 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Wed, Aug 1, 2001