4820-01-438-7191

Find complete technical information, availability, and procurement data for: 4820-01-438-7191
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-438-7191

Item Name Code

05482

Assigment Date

11/18/1996 (29 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.

outside screw-yoke bonnet type, bolted bonnet attachment method, 170' patrol coastal (pc-1) class ships end item identification, 10.125 inches flange diameter, 12 bolt hole quantity

Product Characteristics

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

Flange Diameter: 10.125 inches
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 12
End Item Identification: 170' patrol coastal (pc-1) class ships
Valve Operation Method: manual
Connection Type: flange, round w/holes
Valve Size: 6.000 inches
Stem Type: rising
Face To Face Distance: 8.000 inches
Flange Face Design: plain
Inlet Relationship With Outlet: identical
Material: copper alloy 922 body
Material: nickel alloy disk
Material: nickel alloy r-405 stem
Material: nickel alloy seat

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
1305-016 600	Gate Valve
1305-016 6IN	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-01-438-7191?

The FSCG of the NSN 4820-01-438-7191 is 4820

Does NSN 4820-01-438-7191 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 4820-01-438-7191 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-438-7191 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 4820-01-438-7191 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Nov 18, 1996