4491144 PIECE 21

View detailed technical data, stock status, and sourcing information for: 4491144 PIECE 21
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 part 4491144 PIECE 21 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

3120-00-406-0139

Item Name Code

13205

Assigment Date

04/07/1971 (55 years ago)

A headless, generally cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod,straight,headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin,straight,threaded.

0.1250 inches minimum and 0.1300 inches maximum flange width, 1.9690 inches nominal flange outside diameter, 0.4850 inches minimum and 0.4950 inches maximum overall length, 1.6250 inches minimum and 1.6260 inches maximum body outside diameter, 1.2460 inches minimum and 1.2480 inches maximum 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 Length: 0.4850 inches minimum and 0.4950 inches maximum
Body Outside Diameter: 1.6250 inches minimum and 1.6260 inches maximum
Body Inside Diameter: 1.2460 inches minimum and 1.2480 inches maximum
Flange Outside Diameter: 1.9690 inches nominal
Flange Width: 0.1250 inches minimum and 0.1300 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: round left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Material: resin synthetic overall
Style Designator: solid, external flange one end

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
4491144 PIECE 21	Sleeve Bearing
SS522-4491144PC21	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-406-0139?

The FSCG of the NSN 3120-00-406-0139 is 3120

Does the NSN 3120-00-406-0139 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-406-0139 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 3120-00-406-0139 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-406-0139 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 3120-00-406-0139 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Apr 7, 1971