845-769815-21-018

View detailed technical data, stock status, and sourcing information for: 845-769815-21-018
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-458-3799

Item Name Code

22113

Assigment Date

08/24/1998 (27 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

3a single threaded portion thread class, 0.930 inches nominal flange diameter, 0.078 inches minimum and 0.095 inches maximum single threaded portion thread length, globe valve end item identification, 0.496 inches minimum and 0.504 inches maximum body inside diameter

Product Characteristics

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

Thread Class: 3a single threaded portion
Thread Length: 0.078 inches minimum and 0.095 inches maximum single threaded portion
Flange Diameter: 0.930 inches nominal
Body Inside Diameter: 0.496 inches minimum and 0.504 inches maximum
End Item Identification: globe valve
Flange Seat To Disk End Height: 0.188 inches nominal
Under Flange Height: 0.328 inches nominal
Thread Quantity Per Inch: 15 single threaded portion
Nominal Thread Size: 0.750 inches single threaded portion
Seating Surface Shape: flat
Special Features: globe stop check and weld socket;seat ring
Material: titanium alloy overall
Material Document And Classification: mil-t-9047 6al-4v mil spec single material response overall
Surface Treatment: anodize overall
Style Designator: faucet

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
845-7069815-21-	Valve Seat
845-769815-21-018	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-458-3799?

The FSCG of the NSN 4820-01-458-3799 is 4820

Does the NSN 4820-01-458-3799 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-458-3799 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 4820-01-458-3799 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-458-3799 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 4820-01-458-3799 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Mon, Aug 24, 1998