61258P10

View detailed technical data, stock status, and sourcing information for: 61258P10
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-397-9526

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.

0.409 inches minimum and 0.414 inches maximum overall height, 1.720 inches nominal body inside diameter, 0.250 inches nominal seat radius, 80.0 rockwell b minimum and 100.0 rockwell b maximum overall hardness rating, 1.107 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.

Overall Height: 0.409 inches minimum and 0.414 inches maximum
Body Outside Diameter: 1.107 inches nominal
Body Inside Diameter: 1.720 inches nominal
Seat Radius: 0.250 inches nominal
Hardness Rating: 80.0 rockwell b minimum and 100.0 rockwell b maximum overall
Seating Surface Shape: radial
Material: copper alloy 614 overall
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-479-1702	No Name Available	04/18/1969

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
60645P10	Valve Seat
61258P10	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-397-9526?

The FSCG of the NSN 4820-00-397-9526 is 4820

Does the NSN 4820-00-397-9526 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-397-9526 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 4820-00-397-9526 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-397-9526 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 4820-00-397-9526 was assigned to the Federal Catalog?

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