4820-01-121-1910

Find complete technical information, availability, and procurement data for: 4820-01-121-1910
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-121-1910

Item Name Code

77777

Assigment Date

10/31/1981 (44 years ago)

A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.

steel,comp 303;thd externally and internally; externalthd 1.000-14 uns thd size; internal thd 0.625-18unf; knurled on end w/internal thds; 3.860 in. o/a lg; 1.000 in.od general characteristics item description

Product Characteristics

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

General Characteristics Item Description: steel,comp 303;thd externally and internally; externalthd 1.000-14 uns thd size; internal thd 0.625-18unf; knurled on end w/internal thds; 3.860 in. o/a lg; 1.000 in.od

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
25473N PIECE 3	Valve Adjusting Sleeve
A13340	Valve Adjusting Sleeve

FAQs

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

What is the FSCG of the NSN 4820-01-121-1910?

The FSCG of the NSN 4820-01-121-1910 is 4820

Does the NSN 4820-01-121-1910 have a Schedule B code assigned?

Yes, the Schedule B code is 7307221000

Does NSN 4820-01-121-1910 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 4820-01-121-1910 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-121-1910 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 4820-01-121-1910 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Oct 31, 1981