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Datasheet. 187956 specification
Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.
not casehardened
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.998in. and 1.002in.
A numeric value that reflects the hardness of a metallic item when used in conjunction with a hardness rating scale.
38.0 rockwell c and 42.0 rockwell c
A measurement taken at right angles to the length of the face,in distinction from thickness.
0.231in. and 0.237in.
The length of a straight line which passes through the center of a circular bore,and terminates at the inside circumference.
0.439in. and 0.440in.
0.025 in. min and 0.040 in. max radius
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.
bore surface to be 63 microinch finish
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.
copper alloy, QQ-C-530, alloy 172
The chemical compound or mechanical mixture properties of which the item is fabricated.
copper alloy, QQ-C-530, alloy 172
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
chemical, black, MIL-F-495
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
plain
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.
chemical, black, MIL-F-495
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.
81349-MIL-I-6866 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.) .
Answers.
1EA
Plain
Copper alloy,qq-c-530,alloy 172
0.998 inches minimum and 1.002 inches maximum
Schedule B number: 8482997090
nmfc 114690
Parts, for roller bearings or for combined ball/roller 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 3120-01-162-2860 ROLLER,LINEAR-ROTARY MOTION
plain chemical, black, mil-f-495 surface treated bore surface to be 63 microinch finish 0.998" outside diameter
- NIIN
- 011622860
- NIIN Date
- 09/17/83
- Schedule B
- 8482997090
- Name Code
- 28215
- FIIG
- T267-K
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $39.35 EA
- 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
| 1. | 2859952 | Cage 10001 |
| 2. | 187933 | Cage 44114 |
Major End Users Countries and entities
- - Department of The Navy
- - Spain
- - Australia
- - New Zealand
- - Republic of Korea
- - Denmark
- - Greece
- - Turkey
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- Rating variable
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
- Commodity (for shipments via water)
- Bearings
- NMFC (national motor freight code)
- 114690 BALLS/ROLLS BEARING
- UFC (universal freight code)
- 58770
Similar by Design Other rollers with similar characteristics
Nothing similar to this part number was found in our inventory
187956 / Roller,linear-rotary motionWhat is the formal definition of this item?
A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. the item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. excludes bearing, roller, cylindrical; roller, electrical switch; and friction bearings. see also cam follower, needle bearing.
