S3-ML-290-A ITEM 12

View detailed technical data, stock status, and sourcing information for: S3-ML-290-A ITEM 12
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-085-1871

Item Name Code

32562

Assigment Date

12/18/1967 (58 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.

0.2188 inches nominal bore diameter, 0.563 inches nominal outside diameter, 0.687 inches nominal overall length, not included bore countersink, 0.307 inches nominal major diameter length

Product Characteristics

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

Overall Length: 0.687 inches nominal
Outside Diameter: 0.563 inches nominal
Bore Diameter: 0.2188 inches nominal
Major Diameter Length: 0.307 inches nominal
Bore Countersink: not included
Bore Counterbore: not included
Bb End Shank Diameter: 0.472 inches nominal
Material: steel
Style Designator: plain, shouldered

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4920-00-738-0457	No Name Available	07/11/1969
4820-01-260-0718	No Name Available	01/01/1994

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
035-11710	Valve Stem Guide
036-11710	Valve Stem Guide
036-11710Z	Valve Stem Guide
036-86186-0	Valve Stem Guide
S3-ML-2400-A ITEM 10	Valve Stem Guide
S3-ML-290-A ITEM 12	Valve Stem Guide

FAQs

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

What is the FSCG of the NSN 4820-00-085-1871?

The FSCG of the NSN 4820-00-085-1871 is 4820

Does the NSN 4820-00-085-1871 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-085-1871 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 4820-00-085-1871 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-085-1871 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 4820-00-085-1871 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Mon, Dec 18, 1967