A-53641 FIND 29

View detailed technical data, stock status, and sourcing information for: A-53641 FIND 29
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-260-3285

Item Name Code

13205

Assigment Date

07/29/1987 (39 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

1.0000 inches nominal overall length, 0.2187 inches nominal flange width, 1.6870 inches minimum and 1.6890 inches maximum body inside diameter, 2.6250 inches minimum and 2.6270 inches maximum body outside diameter, 2.9950 inches minimum and 3.0000 inches maximum flange outside 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: 1.0000 inches nominal
Body Outside Diameter: 2.6250 inches minimum and 2.6270 inches maximum
Body Inside Diameter: 1.6870 inches minimum and 1.6890 inches maximum
Flange Outside Diameter: 2.9950 inches minimum and 3.0000 inches maximum
Flange Width: 0.2187 inches nominal
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Special Features: four tabs on bore equally spaced
Material: copper alloy overall
Material Document And Classification: mil-b-16261,grade 1 mil spec single material response 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
A-53641 FIND 29	Sleeve Bearing
S-54057	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-260-3285?

The FSCG of the NSN 3120-01-260-3285 is 3120

Does the NSN 3120-01-260-3285 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-260-3285 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 3120-01-260-3285 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-260-3285 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 3120-01-260-3285 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jul 29, 1987