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Datasheet. 428B971 specification
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
12.8750in. ⁓12-7/8"
The length of a straight line which passes through the center of a body,and terminates at the inside circumference.
1.1240in. and 1.1250in.
The length of a straight line which passes through the center of the flange,and terminates at the outside circumference.
3.8750in. and 3.8760in.
A measurement taken at right angles to the length of a flange,in distinction from thickness.
0.8750in.
3.3750in.
The physical configuration of the corner.
chamfered center flange outside left corner
The physical configuration of the corner.
chamfered center flange outside right corner
The physical configuration of the corner.
chamfered outside right corner
The physical configuration of the corner.
round center flange left body corner
The physical configuration of the corner.
round outside left corner
The physical configuration of the corner.
square center flange right body corner
The physical configuration of the corner.
square inside right corner
The physical configuration of the corner.
square inside left corner
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
63.0 microinches inside diameter surface of body
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
63.0 microinches outside diameter surface of flange
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
63.0 microinches right end surface of flange
2.1250in.
1.8750in.
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.
four equally spaced keys on right end surface of body, 1.750 in. long, 0.375 in. wide, 0.1875 in. high; raised surface on right end surface of flange, 3.125 in. dia, 0.125 in. wide, 0.500 in. corner radius; nitride harden finish per B50R205, fscm 01289, navy spec. K-9495202 and K-9495296
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
B50R217, fscm 01289 mfr ref single material response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
21c solid, external flange
Answers.
1EA
21c solid, external flange
Steel
Schedule B number: 8482997060
nmfc 114850
Parts, for cylindrical 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 3120-01-180-4836 BUSHING,SLEEVE
21c solid, external flange four equally spaced keys on right end surface of body, 1.750 in. long, 0.375 in. wide, 0.1875 in. high; raised surface on right end surface of flange, 3.125 in. dia, 0.125 in. wide, 0.500 in. corner radius; nitride harden finish per B50R205, fscm 01289, navy spec. k-9495202 12.8750" overall length
- NIIN
- 011804836
- NIIN Date
- 05/29/84
- Schedule B
- 8482997060
- Name Code
- 13206
- FIIG
- A045A0
- Item Weight
- 8.600lbs
- Item Dimensions
- 140 X 30 X 40
- QUP
- 1
- Historical Price
- $5,194.45 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. | 428B971-003 | Cage 01289 |
| 2. | B-3,200,786 | Cage 80064 |
Major End Users Countries and entities
- - Department of The Navy
Availability for 428B971 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 70.0
- 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)
- 114850 BEARING/BUSHING O/T BALL/ROLLER I/S
- UFC (universal freight code)
- 58880
Similar by Design Other bushings with similar characteristics
Nothing similar to this part number was found in our inventory
428B971 / Bushing,sleeveWhat is the formal definition of this item?
A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. the overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. for items made of rubber, see bushing, nonmetallic. see also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. excludes bushing, drill, jig.
