FF310 Sleeve Bearing

Comprehensive specifications and application details for: FF310 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: FF310. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
FF310
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-113-1538
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
09/09/1968

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

square left flange body corner corner shape, 0.2510 inches minimum and 0.2520 inches maximum body inside diameter, square left flange outside right corner corner shape, 0.3765 inches minimum and 0.3775 inches maximum body outside diameter, square outside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-113-1538 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.2510 inches minimum and 0.2520 inches maximum
Body Outside Diameter
0.3765 inches minimum and 0.3775 inches maximum
Corner Shape
square left flange body corner
Corner Shape
square left flange outside right corner
Corner Shape
square outside left corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
Corner Shape
square outside right corner
Flange Outside Diameter
0.4630 inches minimum and 0.4730 inches maximum
Flange Width
0.0450 inches minimum and 0.0490 inches maximum
Overall Length
0.3700 inches minimum and 0.3800 inches maximum
Material Document And Classification
mil-b-5687,comp a or b mil spec single material response overall
Material
copper alloy overall
Material
oil lubricating lubrication
Nondefinitive Spec/Std Data
1 type and a composition or b composition
Style Designator
solid, external flange one end

Frequently Asked Questions

Find quick answers to common questions about bearing: FF310. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-113-1538?
The FSCG of the NSN 3120-00-113-1538 is 3120
Does the NSN 3120-00-113-1538 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-113-1538 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 3120-00-113-1538 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-113-1538 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 3120-00-113-1538 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Mon, Sep 9, 1968

Price & Availability

Fill out the form to get pricing and availability details for the bearing: FF310

Stock Availability

This product is available in the following quantities and conditions:

New Material 40
New Surplus 21
Total 61
Availability of this item was last updated on: 06/26/2025 07:06 AM EDT. Availability may have changed since then. Request a quote for up to date pricing and availability.

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