3120-00-385-9431

Find complete technical information, availability, and procurement data for: 3120-00-385-9431
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 3120-00-385-9431 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-385-9431

Item Name Code

13211

Assigment Date

01/01/1963 (63 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.

round center hole shape style, 3.8125 inches nominal counterbore diameter, 0.0930 inches nominal counterbore depth, 4.3750 inches nominal outside diameter, counterbored 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: counterbored
Counterbore Diameter: 3.8125 inches nominal
Counterbore Depth: 0.0930 inches nominal
Outside Diameter: 4.3750 inches nominal
Center Hole Shape Style: round
Diameter: 2.4980 inches minimum and 2.5000 inches maximum
Overall Thickness: 0.4370 inches nominal
Special Features: w/2 grooves on side opposite counterbore,bearing surface holes are 0.1875 in. deep and equally spaced on 3.000 in. bolt circle on counterbore side
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
LC1174	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-385-9431?

The FSCG of the NSN 3120-00-385-9431 is 3120

Does the NSN 3120-00-385-9431 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-00-385-9431 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 3120-00-385-9431 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-385-9431 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 3120-00-385-9431 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963