470386

View detailed technical data, stock status, and sourcing information for: 470386
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-991-4151

Item Name Code

24328

Assigment Date

01/01/1963 (63 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.

0.4550 inches minimum and 0.4650 inches maximum counterbore diameter, 35.0 rockwell c minimum and 40.0 rockwell c maximum material hardness rating, 1.1600 inches minimum and 1.2000 inches maximum overall height, 0.6600 inches minimum and 0.6800 inches maximum second step diameter, 0.3380 inches minimum and 0.3400 inches maximum bore diameter

Product Characteristics

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

Counterbore Diameter: 0.4550 inches minimum and 0.4650 inches maximum
Overall Height: 1.1600 inches minimum and 1.2000 inches maximum
Second Step Diameter: 0.6600 inches minimum and 0.6800 inches maximum
Bore Diameter: 0.3380 inches minimum and 0.3400 inches maximum
Material Hardness Rating: 35.0 rockwell c minimum and 40.0 rockwell c maximum
Design Type: solid
Counterbore Length: 0.4900 inches minimum and 0.5100 inches maximum
Material: steel corrosion resisting
Style Designator: seat
Fsc Application Data: control assy,pressure ratio bleed,2995004356898 710565

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
470386	Helical Compression Spring Seat

FAQs

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

What is the FSCG of the NSN 5340-00-991-4151?

The FSCG of the NSN 5340-00-991-4151 is 5340

Does NSN 5340-00-991-4151 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 5340-00-991-4151 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-991-4151 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-00-991-4151 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963