4820-01-337-4266

Find complete technical information, availability, and procurement data for: 4820-01-337-4266
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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.

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

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