A0254-00 ITEM 4 5IN.

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-1639

Item Name Code

32528

Assigment Date

11/02/1995 (30 years ago)

An item of various cross-sectional shapes which may be of solid or hollow construction. It is specifically designed for attachment to a lever(s) and/or control(s) to actuate various remote mechanisms. It is one of the following: (1) a one-piece item with or without eyes and/or holes in each end which may have bushings or bearings pressed in the eyes; (2) a one-piece item with both ends processed for terminations, excluding threaded end(s); (3) a two-piece construction type item consisting of a body with both ends processed for terminations and a single end attachment; or (4) a three-piece construction type item consisting of a body and two end attachments. Excludes:internal combustion engine type piston connecting rods; drag link, steering; link, anchor, brake shoe; tie rod, steering; and turnbuckle. For cylindrical shaped externally threaded items without end attachments, see rod, threaded end and stud (as modified).

21f-cb3 valve model number for which designed, 5.000 inches valve size for which designed, strategic sealift conversion ships class end item identification, globe valve type for which designed, threaded externally stem actuating end type

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: strategic sealift conversion ships class
Valve Type For Which Designed: globe
Valve Size For Which Designed: 5.000 inches
Stem Actuating End Type: threaded externally
Valve Model Number For Which Designed: 21f-cb3
Material: cobalt alloy

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
A0254-00 ITEM 4	Fluid Valve Stem
A0254-00 ITEM 4 5IN.	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-421-1639?

The FSCG of the NSN 4820-01-421-1639 is 4820

Does the NSN 4820-01-421-1639 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-421-1639 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 4820-01-421-1639 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-1639 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 4820-01-421-1639 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Nov 2, 1995