5-821-5-21511

View detailed technical data, stock status, and sourcing information for: 5-821-5-21511
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-337-4266

Item Name Code

05482

Assigment Date

04/14/1991 (35 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

manual valve operation method, bolted bonnet attachment method, 1.000 inches valve size, outside screw-yoke bonnet type, threaded internal pipe connection type

Product Characteristics

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

Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Valve Operation Method: manual
Connection Type: threaded internal pipe
Valve Size: 1.000 inches
Maximum Operating Pressure And Media For Which Designed: 2000.0 pounds per square inch fuel/oil, hydrocarbon and 2000.0 pounds per square inch steam
Nominal Thread Size: 1.000 inches
Stem Type: rising
Maximum Operating Temp And Media For Which Designed: 100.0 fahrenheit fuel/oil, hydrocarbon and 100.0 fahrenheit steam
Inlet Relationship With Outlet: identical
Material: steel body
Material: steel comp 410 and steel comp 416 stem
Material: steel comp 410 disk
Material: steel seat
Thread Series Designator: npt

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
5-821-5-21511	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-01-337-4266?

The FSCG of the NSN 4820-01-337-4266 is 4820

Does the NSN 4820-01-337-4266 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803055

Does NSN 4820-01-337-4266 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 4820-01-337-4266 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-337-4266 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 4820-01-337-4266 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Apr 14, 1991