Product Details | THRUST WASHER BEARING

3120-00-189-6677 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.

Part Alternates: 19364771, 1936477-1, 3120-00-189-6677, 00-189-6677, 3120001896677, 001896677

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 03 MAR 1971 00-189-6677

Drawings & Photos | NSN 3120-00-189-6677


Cross Reference | NSN 3120-00-189-6677

Part Number Cage Code Manufacturer
1936477-1 55972 HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS

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Technical Data | NSN 3120-00-189-6677

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 38.0 ROCKWELL C NOMINAL OVERALL
SURFACE TREATMENT CHROMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-C-320 FED SPEC ALL TREATMENT RESPONSES OVERALL
STYLE DESIGNATOR 23 ROUND
OUTSIDE DIAMETER 1.3750 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM
CORNER SHAPE SQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLE 36 SHOULDERED
COUNTERBORE DIAMETER 0.9320 INCHES MINIMUM AND 0.9420 INCHES MAXIMUM
COUNTERBORE DEPTH 0.0140 INCHES MINIMUM AND 0.0160 INCHES MAXIMUM
FLANGE THICKNESS 0.0360 INCHES MINIMUM AND 0.0380 INCHES MAXIMUM
OVERALL THICKNESS 0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM
SHANK OUTSIDE DIAMETER 1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 42 ROUND
DIAMETER 0.5620 INCHES MINIMUM AND 0.5770 INCHES MAXIMUM
SURFACE FINISH 3.0 MICROINCHES LEFT SIDE
SPECIAL FEATURES BEARING SURFACES SHALL NOT CONTAIN SCRATCHES OR OTHER IMPERFECTIONS
III BEARING SURFACE HOLE QUANTITY 2 FIRST
MANUFACTURERS CODE 55972
DESIGN CONTROL REFERENCE 1936477-1

Restrictions/Controls & Freight Information | NSN 3120-00-189-6677

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 114850 BEARING/BUSHING O/T BALL/ROLLER I/S
Less than car load rating W Rating Variable
Less than truck load rating Q 70.0
Water commodity Code 742 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Y Protected cargo, other than above, including sensitive cargo requiring hand-to-hand receipt and/or security precautions.
Special Handling Code 5 unknonwn
HAZMAT FF
Type of Cargo Z No special type of cargo code applicable