1612-D PIECE 17

View detailed technical data, stock status, and sourcing information for: 1612-D PIECE 17
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-180-0914

Item Name Code

22113

Assigment Date

05/24/1984 (42 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

2b single threaded portion thread class, 1.625 inches nominal flange diameter, 0.375 inches nominal flange seat to disk end height, 0.251 inches nominal single threaded portion thread length, 1.000 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: 2b single threaded portion
Thread Length: 0.251 inches nominal single threaded portion
Flange Diameter: 1.625 inches nominal
Body Inside Diameter: 1.000 inches nominal
Flange Seat To Disk End Height: 0.375 inches nominal
Under Flange Height: 0.251 inches nominal
Nominal Thread Size: 1.500 inches single threaded portion
Seating Surface Shape: flat
Material: nickel alloy overall
Style Designator: threaded flanged
Thread Series Designator: unef single threaded portion

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-244-6045	No Name Available	01/01/1989

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
1612-D	Valve Seat
1612-D PIECE 17	Valve Seat
248-01	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-180-0914?

The FSCG of the NSN 4820-01-180-0914 is 4820

Does the NSN 4820-01-180-0914 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-180-0914 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 4820-01-180-0914 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-180-0914 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 4820-01-180-0914 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, May 24, 1984