TT-4002

View detailed technical data, stock status, and sourcing information for: TT-4002
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-128-9044

Item Name Code

13211

Assigment Date

03/27/1982 (44 years ago)

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

0.2475 inches minimum and 0.2525 inches maximum overall thickness, 2.0525 inches minimum and 2.0725 inches maximum diameter, 3.9800 inches minimum and 4.0200 inches maximum outside diameter, round center hole shape style, rectangular cross-sectional shape style

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Outside Diameter: 3.9800 inches minimum and 4.0200 inches maximum
Center Hole Shape Style: round
Diameter: 2.0525 inches minimum and 2.0725 inches maximum
Overall Thickness: 0.2475 inches minimum and 0.2525 inches maximum
Corner Shape: square all corners
Material: copper alloy overall
Material: oil lubricating lubrication
Style Designator: round

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
TT-4002	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-128-9044?

The FSCG of the NSN 3120-01-128-9044 is 3120

Does the NSN 3120-01-128-9044 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-01-128-9044 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 3120-01-128-9044 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-128-9044 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 3120-01-128-9044 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Mar 27, 1982