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Datasheet. 2498557 specification
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
rectangular
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
7.5250in. and 7.5290in.
The style designation indicating the configuration that most nearly corresponds to the shape of the center hole.
round
The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.
5.7500in.
An overall measurement of the smallest dimension of an item,in distinction from length or width.
0.3115in.
0.0015in. and 0.0025in.
The physical configuration of the corner.
square first inside corner
The physical configuration of the corner.
square first outside corner
The physical configuration of the corner.
square second inside corner
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
zzzw
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
32.0 microinches right side
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
one bearing surface tapered to 0.3080 in
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp E52100
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
round
The technical differentiating characteristic/s/ of an item of supply which depart/s/ from the text of a specification or a standard in that it represents a selection of characteristics stated in the specification or standard as being optional,or a variation from one or more of the stated characteristics,or an additional characteristic not stated in the specification or standard.
as differentiated by special quality control testing for mk 48 torpedo
Answers.
Round
Steel comp e52100
7.5250 inches minimum and 7.5290 inches maximum
Schedule B number: 8482105008
Thrust ball bearings
FSC 3120 ⁓ Bearings, plain, unmounted
Note-bearings in this class are generally one piece that retain and position moving and/or rotating parts. they may have lubrication grooves/fittings/facilities or include pre-lubrication.
Excluding antifriction bearings (fsc 3110); mounted bearings (fsc 3130).
NSN 3120-01-031-8360 BEARING,WASHER,THRUST
round one bearing surface tapered to 0.3080 in 7.5250" outside diameter
- NIIN
- 010318360
- NIIN Date
- 10/14/08
- Schedule B
- 8482105008
- Name Code
- 13211
- FIIG
- A045A0
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
Major End Users Countries and entities
- - Australia
- - Turkey
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2498557 / Bearing,washer,thrustWhat is the formal definition of this item?
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.
