51157D

View detailed technical data, stock status, and sourcing information for: 51157D
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-130-8775

Item Name Code

22113

Assigment Date

04/29/1982 (44 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.

0.127 inches nominal flange seat to disk end height, 0.468 inches nominal body inside diameter, 2a single threaded portion thread class, 0.250 inches nominal single threaded portion thread length, 0.904 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: 0.250 inches nominal single threaded portion
Flange Diameter: 0.904 inches nominal
Body Inside Diameter: 0.468 inches nominal
Flange Seat To Disk End Height: 0.127 inches nominal
Under Flange Height: 0.312 inches nominal
Seat Angle In Deg: 75.000 nominal
Thread Quantity Per Inch: 24 single threaded portion
Nominal Thread Size: 0.750 inches single threaded portion
Seating Surface Shape: angular
Special Features: two wrenching lugs on seat end
Material: nickel alloy 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
51157-D-380	Valve Seat
51157D	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-130-8775?

The FSCG of the NSN 4820-01-130-8775 is 4820

Does the NSN 4820-01-130-8775 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-130-8775 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 4820-01-130-8775 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-130-8775 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 4820-01-130-8775 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Apr 29, 1982