87-455-1

View detailed technical data, stock status, and sourcing information for: 87-455-1
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Federal Supply Group

Valves

Federal Supply Classification

4810 Powered Valves

National Stock Number

4810-01-222-0257

Item Name Code

22113

Assigment Date

12/06/1985 (40 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.

automatic switch co solenoid valve model no. 258 end item identification, 0.250 inches nominal body inside diameter, 0.150 inches nominal single threaded portion thread length, 0.500 inches nominal flange diameter, 3a single threaded portion thread class

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: 0.150 inches nominal single threaded portion
Flange Diameter: 0.500 inches nominal
Body Inside Diameter: 0.250 inches nominal
End Item Identification: automatic switch co solenoid valve model no. 258
Flange Seat To Disk End Height: 0.176 inches nominal
Under Flange Height: 0.404 inches nominal
Seat Angle In Deg: 60.000 nominal
Nominal Thread Size: 0.438 inches single threaded portion
Seating Surface Shape: angular
Material: steel corrosion resisting seat
Style Designator: threaded flanged
Thread Series Designator: unf 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
216-720-1	Valve Seat
87-455-1	Valve Seat
HVA-98-202	Valve Seat

FAQs

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

What is the FSCG of the NSN 4810-01-222-0257?

The FSCG of the NSN 4810-01-222-0257 is 4810

Does the NSN 4810-01-222-0257 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4810-01-222-0257 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 4810-01-222-0257 contain precious materials?

Item does not contain precious metal.

Does NSN 4810-01-222-0257 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 4810-01-222-0257 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Dec 6, 1985