2990-00-823-4350

Find complete technical information, availability, and procurement data for: 2990-00-823-4350
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-823-4350

Item Name Code

77777

Assigment Date

01/01/1962 (64 years ago)

steel; 8 passage holes 0.185 in. dia drilled thru at 60.0 deg angle and equally spaced on 6.125 in. circle dia; ground and polished to fine micro in. finish on 1 side only; all other surfaces machined finish; hub 0.468 in. od; 0.595 in. o/a h; 0.535 in. thk; seal 6.563 in. od 4.000 in. id 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.

General Characteristics Item Description: steel; 8 passage holes 0.185 in. dia drilled thru at 60.0 deg angle and equally spaced on 6.125 in. circle dia; ground and polished to fine micro in. finish on 1 side only; all other surfaces machined finish; hub 0.468 in. od; 0.595 in. o/a h; 0.535 in. thk; seal 6.563 in. od 4.000 in. id

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-01-159-7144	No Name Available	06/01/1994

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
16109180	Oil Seal Seat
CAFB4115C	Oil Seal Seat

FAQs

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

What is the FSCG of the NSN 2990-00-823-4350?

The FSCG of the NSN 2990-00-823-4350 is 2990

Does NSN 2990-00-823-4350 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 2990-00-823-4350 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-823-4350 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 2990-00-823-4350 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962