4820-01-440-1502

Find complete technical information, availability, and procurement data for: 4820-01-440-1502
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-1502

Item Name Code

22113

Assigment Date

01/06/1997 (29 years ago)

2a first threaded portion thread class, 1.750 inches nominal second threaded portion thread length, 3.120 inches nominal overall height, 2a second threaded portion thread class, 1.750 inches nominal first threaded portion thread length

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 first threaded portion
Thread Class: 2a second threaded portion
Thread Length: 1.750 inches nominal second threaded portion
Thread Length: 1.750 inches nominal first threaded portion
Overall Height: 3.120 inches nominal
Body Inside Diameter: 4.000 inches nominal
End Item Identification: nimitz class cvn
Seat Angle In Deg: 45.000 nominal
Thread Quantity Per Inch: 14 first threaded portion
Thread Quantity Per Inch: 14 second threaded portion
Nominal Thread Size: 4.812 inches first threaded portion
Nominal Thread Size: 4.812 inches second threaded portion
Seating Surface Shape: angular
Special Features: for safety relief valve type 1741-t, sz 4.000 in.
Material: nickel alloy seat
Material Document And Classification: qq-n-288 fed spec single material response seat
Style Designator: plain threaded
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
10532.002.128	Valve Seat
10532002128	Valve Seat
20214 FIND NO 5	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-440-1502?

The FSCG of the NSN 4820-01-440-1502 is 4820

Does the NSN 4820-01-440-1502 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-440-1502 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 4820-01-440-1502 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-1502 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 4820-01-440-1502 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Jan 6, 1997