A11521.001.127

View detailed technical data, stock status, and sourcing information for: A11521.001.127
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-132-4878

Item Name Code

22113

Assigment Date

05/30/1982 (44 years ago)

A block with the opposite faces generally parallel used in the construction of block floors. It may be a single-piece block, or a fabricated block made of two or more pieces of wood securely joined together. In either form, the vertical faces, or sides, of the block are usually milled for joining to other blocks, generally with tongue and groove or with grooves for splines. It is so milled that the grain of the wood runs horizontally or in a direction perpendicular to the top surface of the block.

0.500 inches nominal flange seat to disk end height, 1.250 inches nominal body inside diameter, 2.250 inches nominal flange diameter, 0.750 inches nominal single threaded portion thread length, 2a single threaded portion thread class

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: 0.750 inches nominal single threaded portion
Flange Diameter: 2.250 inches nominal
Body Inside Diameter: 1.250 inches nominal
Flange Seat To Disk End Height: 0.500 inches nominal
Under Flange Height: 1.000 inches nominal
Seat Angle In Deg: 45.000 nominal
Thread Quantity Per Inch: 18 single threaded portion
Nominal Thread Size: 1.750 inches single threaded portion
Seating Surface Shape: angular
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281 fed spec single material response overall
Style Designator: threaded flanged
Thread Series Designator: uns 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
20010PC4	Valve Seat
A11521.001.127	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-132-4878?

The FSCG of the NSN 4820-01-132-4878 is 4820

Does the NSN 4820-01-132-4878 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-132-4878 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 4820-01-132-4878 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-132-4878 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 4820-01-132-4878 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, May 30, 1982