5A16

View detailed technical data, stock status, and sourcing information for: 5A16
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-015-3245

Item Name Code

22113

Assigment Date

01/01/1961 (65 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

0.031 inches nominal seat radius, 2a single threaded portion thread class, 0.419 inches minimum and 0.423 inches maximum body inside diameter, 0.188 inches nominal single threaded portion thread length, 0.688 inches nominal body outside 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: 2a single threaded portion
Thread Length: 0.188 inches nominal single threaded portion
Body Outside Diameter: 0.688 inches nominal
Body Inside Diameter: 0.419 inches minimum and 0.423 inches maximum
Seat Radius: 0.031 inches nominal
Flange Seat To Disk End Height: 0.095 inches nominal
Under Flange Height: 0.188 inches nominal
Nominal Thread Size: 0.562 inches single threaded portion
Seating Surface Shape: radial
Special Features: flange width across flats 0.688 in.
Material: steel body
Material: steel face
Style Designator: plain flanged
Thread Series Designator: unef single threaded portion

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
135B16	Valve Seat
5A16	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-015-3245?

The FSCG of the NSN 4820-00-015-3245 is 4820

Does the NSN 4820-00-015-3245 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-015-3245 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 4820-00-015-3245 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-015-3245 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 4820-00-015-3245 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961