3163811-2

View detailed technical data, stock status, and sourcing information for: 3163811-2
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-025-2901

Item Name Code

77777

Assigment Date

07/29/1976 (50 years ago)

A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.

f-14a aircraft end item identification, cres ams5643 composition 17-4ph,1.190 in. min,1.200 in. max o/a lg,0.253 in. min,0.254 in. max head dia general characteristics item description

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

End Item Identification: f-14a aircraft
General Characteristics Item Description: cres ams5643 composition 17-4ph,1.190 in. min,1.200 in. max o/a lg,0.253 in. min,0.254 in. max head dia

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
3163811-2	Poppet Valve

FAQs

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

What is the FSCG of the NSN 2990-01-025-2901?

The FSCG of the NSN 2990-01-025-2901 is 2990

Does NSN 2990-01-025-2901 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 2990-01-025-2901 contain precious materials?

Precious metal content is unknown

Does NSN 2990-01-025-2901 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 2990-01-025-2901 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Jul 29, 1976