4820-00-657-1522
Valve Seat
Find complete technical information, availability, and procurement data for NSN 4820-00-657-1522 All details are based on official government and industry records to support accurate and compliant procurement.
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-657-1522
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.
0.375 inches nominal flange seat to disk end height, 1.750 inches nominal flange diameter, 0.879 inches minimum and 0.880 inches maximum body inside diameter, 0.375 inches nominal single threaded portion thread length, 2a single threaded portion thread class
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Thread Class
- 2a single threaded portion
- Thread Length
- 0.375 inches nominal single threaded portion
- Flange Diameter
- 1.750 inches nominal
- Body Inside Diameter
- 0.879 inches minimum and 0.880 inches maximum
- Flange Seat To Disk End Height
- 0.375 inches nominal
- Under Flange Height
- 0.375 inches nominal
- Seat Angle In Deg
- 58.000 nominal
- Nominal Thread Size
- 1.500 inches single threaded portion
- Seating Surface Shape
- angular
- Material
- steel comp 416 overall
- Style Designator
- threaded flanged
- Thread Series Designator
- unef single threaded portion
Related Parts & Specifications
This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.
| Part Number | Name |
|---|---|
| 1624L | Valve Seat |
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
- M - Partial descriptive - reference item identification (type 1a concept)
- A - 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.
- X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
- A15500
- U - Precious metal content is unknown
- 0022113
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 8481909090
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
- XX
- 051080
- Z
- 29300
- W - Rating variable
- 576 - Metal and metal products, nos, (less than 35 feet)
- Z - No special type of cargo code applicable
- 9 - Other or no special handling required (sh)
- A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- VZ -
- faucets,bibcocks,gates valves
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 4820-00-657-1522
What is the FSCG of the NSN 4820-00-657-1522?
The FSCG of the NSN 4820-00-657-1522 is 4820
Does the NSN 4820-00-657-1522 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-657-1522 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 4820-00-657-1522 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-657-1522 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 4820-00-657-1522 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
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