4820-00-997-9545

Find complete technical information, availability, and procurement data for: 4820-00-997-9545
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-997-9545

Item Name Code

05488

Assigment Date

11/22/1966 (59 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.

threaded bonnet attachment method, inside spring bonnet type, right-hand all ends thread direction, poppet flow control device, 0.375 inches all ends nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.375 inches all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Features Provided: bonnet packing and pressure tight outlet side
Thread Quantity Per Inch: 18 all ends
Adjustable Pressure Range: +0.0 to 15.0 pounds per square inch
Nominal Thread Size: 0.375 inches all ends
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Style Designator: angle
Thread Series Designator: npt all ends

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
632-1-3-8	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-997-9545?

The FSCG of the NSN 4820-00-997-9545 is 4820

Does the NSN 4820-00-997-9545 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-997-9545 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 4820-00-997-9545 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-997-9545 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 4820-00-997-9545 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Nov 22, 1966