EF-1

Comprehensive specifications and application details for: EF-1 Thrust Washer Bearing.

Summary

Explore detailed summary information for bearing: EF-1. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
EF-1
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-384-3477
Item Name Code
13211
Federal Item Identification Guide
A045A0
Assigment Date
12/14/1993

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 all corners corner shape, round center hole shape style, 1.5000 inches nominal outside diameter, rectangular cross-sectional shape style, 1.0000 inches nominal diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-384-3477 . Find dimensions, materials, tolerances, performance characteristics, etc.

Center Hole Shape Style
round
Corner Shape
square all corners
Cross-Sectional Shape Style
rectangular
Diameter
1.0000 inches nominal
Outside Diameter
1.5000 inches nominal
Overall Thickness
0.1250 inches nominal
Material
plastic polytetrafluoroethylene and glass overall
Style Designator
round

Frequently Asked Questions

Find quick answers to common questions about bearing: EF-1. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-384-3477?
The FSCG of the NSN 3120-01-384-3477 is 3120
Does the NSN 3120-01-384-3477 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105008
Does NSN 3120-01-384-3477 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 3120-01-384-3477 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-384-3477 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 3120-01-384-3477 was assigned to the Federal Catalog?
It was assigned 31 years ago, on Tue, Dec 14, 1993

Price & Availability

Fill out the form to get pricing and availability details for the bearing: EF-1

Popular Bearings

Browse our selection of high-demand, high-performance bearings:

AS81936/1-8
3120-01-129-2227
Self-Aligning Plain Bearing
AS81936/1-8R
3120-01-287-3599
Self-Aligning Plain Bearing
AS81936/1-9
3120-00-323-1488
Self-Aligning Plain Bearing
AS81936/1-9R
3120-01-433-9983
Self-Aligning Plain Bearing
AS81936/2
3120-01-289-6193
Self-Aligning Plain Bearing
AS81936/2-20
3120-01-289-6193
Self-Aligning Plain Bearing
AS81936/2-6
3120-01-299-7677
Self-Aligning Plain Bearing
AS81936/2-8R
3120-01-421-4842
Self-Aligning Plain Bearing
AS81943/2
3120-00-270-7793
Sleeve Bearing
AS8221
3130-01-021-1383
Ball Bearing Unit
AS82935
3120-01-059-7576
Rod End Plain Bearing
AS83255
3120-00-550-5158
Thrust Washer Bearing
AS83257
3120-00-550-5157
Thrust Washer Bearing
AS841R1
3110-01-166-5240
Bearing
AS84752
3120-00-448-6978
Sleeve Bearing