3120-01-253-1308 Thrust Washer Bearing

Comprehensive specifications and application details for NSN: 3120-01-253-1308.

Summary

Explore detailed summary information for bearing: 3120-01-253-1308. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-253-1308
Item Name Code: 13211
Federal Item Identification Guide: A045A0
Assigment Date: 04/12/1987

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

rectangular cross-sectional shape style, round center hole shape style, square all corners corner shape, 0.2510 inches minimum and 0.2520 inches maximum diameter, 0.3340 inches minimum and 0.3350 inches maximum outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-253-1308 . Find dimensions, materials, tolerances, performance characteristics, etc.

Center Hole Shape Style: round
Corner Shape: square all corners
Cross-Sectional Shape Style: rectangular
Diameter: 0.2510 inches minimum and 0.2520 inches maximum
Outside Diameter: 0.3340 inches minimum and 0.3350 inches maximum
Overall Thickness: 0.0080 inches minimum and 0.0090 inches maximum
Material: steel comp 416 overall
Special Features: used on third generation gyro
Style Designator: round
Surface Finish: 32.0 microinches largest outside diameter
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 8.0 microinches right side
Surface Finish: 8.0 microinches left side

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number	Name
8019179-001	Thrust Washer Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-253-1308. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-253-1308?: The FSCG of the NSN 3120-01-253-1308 is 3120

Does the NSN 3120-01-253-1308 have a Schedule B code assigned?: Yes, the Schedule B code is 8482105008

Does NSN 3120-01-253-1308 require demilitarization?: "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-01-253-1308 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-253-1308 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.