4457259

View detailed technical data, stock status, and sourcing information for: 4457259
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-283-9673

Item Name Code

22113

Assigment Date

08/16/1988 (38 years ago)

u.2.navy ssn688 class submarine no. 1 and 2 periscope fairing hoist cylinder end item identification, 2.750 inches nominal overall height, 0.499 inches nominal body outside diameter, 0.062 inches nominal seat radius, 0.388 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.

Overall Height: 2.750 inches nominal
Body Outside Diameter: 0.499 inches nominal
Body Inside Diameter: 0.388 inches nominal
End Item Identification: u.2.navy ssn688 class submarine no. 1 and 2 periscope fairing hoist cylinder
Seat Radius: 0.062 inches nominal
Seat Angle In Deg: 45.000 nominal
Seating Surface Shape: angular
Material: steel corrosion resisting overall
Style Designator: plain

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
2070-28	Valve Seat
2070-28 PIECE 29	Valve Seat
4457259	Valve Seat
4457259 PIECE 29	Valve Seat
522 5489289 REV-ITEM 08SQ	Valve Seat
522 6640215 REV-ITEM 08SQ	Valve Seat
522-4457259	Valve Seat
522-4457259 PIECE 29	Valve Seat
5489289	Valve Seat
5489289 ITEM 8	Valve Seat
5489289-8	Valve Seat
6440215	Valve Seat
6440215-8	Valve Seat
H8832408	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-283-9673?

The FSCG of the NSN 4820-01-283-9673 is 4820

Does the NSN 4820-01-283-9673 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-283-9673 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 4820-01-283-9673 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-283-9673 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 4820-01-283-9673 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Aug 16, 1988