4820-01-431-6672

Flat Valve Diaphragm

Find complete technical information, availability, and procurement data for NSN 4820-01-431-6672 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

4820-01-431-6672

Item Name Code

60396

Assigment Date

05/16/1996 (30 years ago)

An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes:nut (1), tube coupling.

0.330 inches nominal hole diameter, 0.450 inches nominal center hole diameter, 4.200 inches nominal outside diameter, 0.045 inches nominal material thickness, 3.550 inches nominal bolt circle diameter

Characteristics

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

Hole Diameter: 0.330 inches nominal
Outside Diameter: 4.200 inches nominal
Bolt Circle Diameter: 3.550 inches nominal
Material Thickness: 0.045 inches nominal
Center Hole Diameter: 0.450 inches nominal
Bolt Hole Quantity: 8
End Item Identification: used on the fire fighting equipment
Temp Rating: 165.0 fahrenheit nominal
Pressure Rating: 450.0 pounds per square inch nominal
Material: plastic polyamide (nylon)
Media For Which Designed: water, salt
Style Designator: flat

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
6983468-PIECE 21	Flat Valve Diaphragm
803-6983468-PC021	Flat Valve Diaphragm

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 4820-01-431-6672

What is the FSCG of the NSN 4820-01-431-6672?

The FSCG of the NSN 4820-01-431-6672 is 4820

Does the NSN 4820-01-431-6672 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-431-6672 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 4820-01-431-6672 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-431-6672 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 4820-01-431-6672 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, May 16, 1996