4820-01-121-7521

Find complete technical information, availability, and procurement data for: 4820-01-121-7521
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-121-7521

Item Name Code

46561

Assigment Date

11/08/1981 (44 years ago)

A block shaped device with ports and mounting facilities designed to temporarily replace a valve while servicing the system. See also flushing block, hydraulic system.

1.250 inches nominal overall height, 4.000 inches nominal overall length, hs 512 and hs 513 valve model number for which designed, 4 port quantity, 3.250 inches nominal overall width

Product Characteristics

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

Overall Length: 4.000 inches nominal
Overall Height: 1.250 inches nominal
Overall Width: 3.250 inches nominal
Port Quantity: 4
Valve Model Number For Which Designed: hs 512 and hs 513
Material: aluminum alloy 6061
Material Document And Classification: qq-a-225/8, 6061-t651 fed spec single material response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625, type i, class 1 mil spec single treatment response
Furnished Items And Quantity: 4 cap screw and 6 drivescrew and 1 name plate and 1 trademark and 4 washer

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
29103-001	Blanking Plate Assembly

FAQs

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

What is the FSCG of the NSN 4820-01-121-7521?

The FSCG of the NSN 4820-01-121-7521 is 4820

Does the NSN 4820-01-121-7521 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-121-7521 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 4820-01-121-7521 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-121-7521 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 4820-01-121-7521 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, Nov 8, 1981