2556-059-69

Valve Seat

This page provides complete and verified information for part number 2556-059-69, NSN 4820-01-192-1612

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-192-1612

Item Name Code

22113

Assigment Date

10/17/1984 (41 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.

1.375 inches nominal body outside diameter, 0.313 inches nominal under flange height, 1.500 inches nominal flange diameter, 0.344 inches nominal flange seat to disk end height, 1.234 inches nominal body inside diameter

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Flange Diameter: 1.500 inches nominal
Body Outside Diameter: 1.375 inches nominal
Body Inside Diameter: 1.234 inches nominal
Flange Seat To Disk End Height: 0.344 inches nominal
Under Flange Height: 0.313 inches nominal
Seating Surface Shape: flat
Special Features: stellited
Material: steel corrosion resisting overall
Style Designator: plain flanged

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
Demilitarization
Criticality
Federal Item Identification Guide
Precious Metals Indicator
Pseudo Item Name Code
Hazardous Material Indicator
Schedule B Code

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
National Motor Freight Classification Item Number
National Motor Freight Classification Sub-Item Number
Uniform Freight Classification Item Number
National Motor Freight Class Rating
Water Commodity
Type of Cargo
Special Hand
Air Dimension
Air Commodity
National Motor Freight Description

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 2556-059-69

What is the FSCG of the NSN 4820-01-192-1612?

The FSCG of the NSN 4820-01-192-1612 is 4820

Does the NSN 4820-01-192-1612 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-192-1612 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 4820-01-192-1612 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-192-1612 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 4820-01-192-1612 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Oct 17, 1984