4820-01-181-8657

Find complete technical information, availability, and procurement data for: 4820-01-181-8657
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-01-181-8657 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-181-8657

Item Name Code

22113

Assigment Date

06/16/1984 (42 years ago)

A positive displacement device which utilzes the rotating motion of one or more gears, cams, vanes, or screws in an enclosure as a means of transferring a liquid from one place to another. It is designed to be driven manually or by a prime mover which is not an integral part of the pump. Excludes:aircraft engine pumps.

0.634 inches nominal overall height, 12 single threaded portion thread quantity per inch, 0.500 inches nominal single threaded portion thread length, 2a single threaded portion thread class, 4.250 inches nominal body inside 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: 0.500 inches nominal single threaded portion
Overall Height: 0.634 inches nominal
Body Inside Diameter: 4.250 inches nominal
Thread Quantity Per Inch: 12 single threaded portion
Nominal Thread Size: 5.375 inches single threaded portion
Seating Surface Shape: flat
Special Features: w/2 std wrench notches on the id
Material: nickel alloy overall
Style Designator: plain threaded
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
208-4325303	Valve Seat
208-4325303 PIECE 9	Valve Seat
6553-255 PIECE 9	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-181-8657?

The FSCG of the NSN 4820-01-181-8657 is 4820

Does the NSN 4820-01-181-8657 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-181-8657 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 4820-01-181-8657 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-181-8657 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 4820-01-181-8657 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Jun 16, 1984