NSN 3120-00-489-4277

Part Details | THRUST WASHER BEARING

3120-00-489-4277 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.

Alternate Parts: TB512, 3157504, 315-750-4, TT7091, TT709-1, EW051201, TW31, TW31, T7091, T709-1, TT7091, TT709-1, T7091, T709-1, 151772, ST36D393, ST36D39-3, MS2178305122, MS21783-05122, MS21783, NAS77, 302MR040P001, 302MR040P001, 10250034, 3120-00-489-4277, 00-489-4277, 3120004894277, 004894277

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31JAN 01, 196300-489-427713211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 3120-00-489-4277
Part Number Cage Code Manufacturer
TB51271041ALTRA INDUSTRIAL MOTION CORP.DIV BOSTON GEAR
315-750-400481ASCO SINTERING CO
TT709-170901BEEMER PRECISION INC
EW05120171366BUNTING BEARINGS CORP
TW3171366BUNTING BEARINGS CORP
TW3160960BUNTING BEARINGS CORPKALAMAZOO PLANT
T709-170417CHRYSLER CORPAMPLEX DIV
TT709-170417CHRYSLER CORPAMPLEX DIV
T709-112204DAIMLER CHRYSLER
15177219139EASTMAN KODAK COMPANYDBA KODAK
ST36D39-304236LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN SPACE SYSTEMS
MS21783-0512296906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS2178380205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
NAS7780205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
302MR040P00105030RAYTHEON COMISSILE SYSTEMS DIV
302MR040P00149956RAYTHEON COMPANYDBA RAYTHEON
1025003418876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 3120-00-489-4277
Characteristic Specifications
STYLE DESIGNATOR ROUND
OUTSIDE DIAMETER0.7500 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
OVERALL THICKNESS0.0620 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND
DIAMETER0.3200 INCHES NOMINAL
LUBRICATION MATERIAL LUBRICATING OIL, MIL-L-6085