2057-1283

Comprehensive specifications and application details for: 2057-1283 Thrust Washer Bearing.

Summary

Explore detailed summary information for bearing: 2057-1283. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
2057-1283
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-683-9757
Item Name Code
13211
Federal Item Identification Guide
A045A0
Assigment Date
01/01/1963

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.

square first outside corner corner shape, round center hole shape style, square second outside corner corner shape, square second inside corner corner shape, square first inside corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-683-9757 . Find dimensions, materials, tolerances, performance characteristics, etc.

Center Hole Shape Style
round
Corner Shape
square first inside corner
Corner Shape
square first outside corner
Corner Shape
square second inside corner
Corner Shape
square second outside corner
Cross-Sectional Shape Style
tapered hole
Diameter
0.2610 inches minimum and 0.2660 inches maximum
Inside Spherical Radius
0.4375 inches nominal
Outside Diameter
0.5360 inches nominal
Overall Thickness
0.0930 inches nominal
Material
lubricant lubrication
Spherical Depth
0.0510 inches nominal
Style Designator
round
Surface Treatment
passivate overall

Frequently Asked Questions

Find quick answers to common questions about bearing: 2057-1283. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-683-9757?
The FSCG of the NSN 3120-00-683-9757 is 3120
Does the NSN 3120-00-683-9757 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105008
Does NSN 3120-00-683-9757 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 3120-00-683-9757 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-683-9757 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 3120-00-683-9757 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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