151P

View detailed technical data, stock status, and sourcing information for: 151P
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Federal Supply Group

Valves

Federal Supply Classification

4810 Powered Valves

National Stock Number

4810-00-146-4721

Item Name Code

22113

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.

4.639 inches nominal taper major diameter, 5.000 inches nominal flange diameter, 4.638 inches minimum and 4.640 inches maximum body outside diameter, 1.313 inches nominal taper length, 4.002 inches nominal 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.

Flange Diameter: 5.000 inches nominal
Taper Length: 1.313 inches nominal
Taper Major Diameter: 4.639 inches nominal
Body Outside Diameter: 4.638 inches minimum and 4.640 inches maximum
Body Inside Diameter: 4.002 inches nominal
Flange Seat To Disk End Height: 0.375 inches nominal
Under Flange Height: 1.375 inches nominal
Seat Angle In Deg: 45.000 nominal
Seal Accommodation Type: grooved
Seating Surface Shape: angular
Special Features: two slots in base 1/8 in. w by 3/16 in. deep
Material: steel overall
Style Designator: plain flanged

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
151P	Valve Seat
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DX81430PC86	Valve Seat
DX81653PC86	Valve Seat
DX82056PC86	Valve Seat
DX82587PC86	Valve Seat
DX82997PC86	Valve Seat
DX83127PC86	Valve Seat
DX84005PC86	Valve Seat
DX84904PC86	Valve Seat
DX84923PC86	Valve Seat
DX84980PC86	Valve Seat
DX86127PC86	Valve Seat
DX86173PC86	Valve Seat
DX87277PC86	Valve Seat
SL5709PC86	Valve Seat
SL5713	Valve Seat
SL5713PC86	Valve Seat
SL8907PC33-12	Valve Seat
SL9033PC33-12	Valve Seat

FAQs

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

What is the FSCG of the NSN 4810-00-146-4721?

The FSCG of the NSN 4810-00-146-4721 is 4810

Does the NSN 4810-00-146-4721 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4810-00-146-4721 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 4810-00-146-4721 contain precious materials?

Precious metal content is unknown

Does NSN 4810-00-146-4721 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 4810-00-146-4721 was assigned to the Federal Catalog?

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