23-451-00

View detailed technical data, stock status, and sourcing information for: 23-451-00
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-425-9561

Item Name Code

32528

Assigment Date

03/01/1996 (30 years ago)

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

0.500 inches valve size for which designed, cross valve type for which designed, threaded features provided, zzzy criticality code justification, nuclear power plants end item identification

Product Characteristics

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

End Item Identification: nuclear power plants
Valve Type For Which Designed: cross
Features Provided: threaded
Criticality Code Justification: zzzy
Valve Size For Which Designed: 0.500 inches
Stem Actuating End Type: socket
Valve Model Number For Which Designed: 23-451-00
Material: steel comp 316
Reference Number Differentiating Characteristics: to be free of mercury contamination

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
23-451-00	Fluid Valve Stem
23-451-00 ITEM 12	Fluid Valve Stem
G-3371-06	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-425-9561?

The FSCG of the NSN 4820-01-425-9561 is 4820

Does the NSN 4820-01-425-9561 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-425-9561 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 4820-01-425-9561 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-425-9561 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 4820-01-425-9561 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Mar 1, 1996