B226972-25

View detailed technical data, stock status, and sourcing information for: B226972-25
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-284-8274

Item Name Code

32562

Assigment Date

09/01/1988 (37 years ago)

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see block, tackle. For items specifically designed for aviation, see pulley(1), groove, aviation.

1.875 inches nominal outside diameter, 1.3750 inches nominal bore diameter, 0.750 inches nominal overall length, not included bore counterbore, not included bore countersink

Product Characteristics

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

Overall Length: 0.750 inches nominal
Outside Diameter: 1.875 inches nominal
Bore Diameter: 1.3750 inches nominal
Bore Countersink: not included
Bore Counterbore: not included
Material: copper alloy
Style Designator: plain

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
22697225	Valve Stem Guide
B226972-25	Valve Stem Guide
NB22697225	Valve Stem Guide

FAQs

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

What is the FSCG of the NSN 4820-01-284-8274?

The FSCG of the NSN 4820-01-284-8274 is 4820

Does the NSN 4820-01-284-8274 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-284-8274 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 4820-01-284-8274 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-284-8274 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 4820-01-284-8274 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Sep 1, 1988