4820-01-191-6588

Find complete technical information, availability, and procurement data for: 4820-01-191-6588
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-191-6588

Item Name Code

22113

Assigment Date

10/11/1984 (41 years ago)

An item designed to enclose and support the internalpart(s) of a valve.

2a single threaded portion thread class, 0.375 inches nominal under flange height, 0.125 inches nominal flange seat to disk end height, 0.312 inches nominal single threaded portion thread length, 1.312 inches nominal flange diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a single threaded portion
Thread Length: 0.312 inches nominal single threaded portion
Flange Diameter: 1.312 inches nominal
Flange Seat To Disk End Height: 0.125 inches nominal
Under Flange Height: 0.375 inches nominal
Thread Quantity Per Inch: 20 single threaded portion
Nominal Thread Size: 1.250 inches single threaded portion
Seating Surface Shape: flat
Body Stepped Inside Diameter: 0.250 inches nominal first step
Body Stepped Inside Diameter: 0.750 inches nominal second step
Special Features: w/two alignment holes on flange
Material: nickel alloy overall
Material Document And Classification: astm b164-61,clb assn std single material response overall
Style Designator: threaded flanged
Thread Series Designator: un 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
194-07636-000	Valve Seat
194-7636	Valve Seat
194-7659	Valve Seat
322-7561 PIECE 8	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-191-6588?

The FSCG of the NSN 4820-01-191-6588 is 4820

Does the NSN 4820-01-191-6588 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-191-6588 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 4820-01-191-6588 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-191-6588 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 4820-01-191-6588 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Oct 11, 1984