4820-00-177-8422

Find complete technical information, availability, and procurement data for: 4820-00-177-8422
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-177-8422

Item Name Code

32562

Assigment Date

01/31/1969 (57 years ago)

A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.

2.305 inches nominal counterbore depth, 3.435 inches nominal overall length, 1.3821 inches nominal bore diameter, 2.500 inches nominal outside diameter, 1.500 inches nominal counterbore diameter

Product Characteristics

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

Counterbore Diameter: 1.500 inches nominal
Counterbore Depth: 2.305 inches nominal
Overall Length: 3.435 inches nominal
Outside Diameter: 2.500 inches nominal
Bore Diameter: 1.3821 inches nominal
Counterbore Location: bb end
Bore Counterbore: included
Aa End Diameter: 2.065 inches nominal
Bb End Shank Diameter: 1.935 inches nominal
Aa End Chamfer Length: 0.114 inches nominal
Aa End Chamfer Angle In Deg: 45.0
Material: steel

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
N48636	Valve Stem Guide

FAQs

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

What is the FSCG of the NSN 4820-00-177-8422?

The FSCG of the NSN 4820-00-177-8422 is 4820

Does the NSN 4820-00-177-8422 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-177-8422 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 4820-00-177-8422 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-177-8422 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 4820-00-177-8422 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Jan 31, 1969