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Datasheet. MS21078-9 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
RIGHT-Hand
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
prevailing torque with nonmetallic insert
The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.
0.161in. and 0.165in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
plate
A measurement of the longest dimension of the nut,in distinction from width.
1.727in. ⁓1-47/64"
0.623in. and 0.656in. ⁓21/32"
A measurement of the smallest dimension of a plate,in distinction from length or width.
0.115in.
A measurement taken at right angles to the length of a plate,in distinction from thickness.
0.902in. and 0.953in.
The means by which the nut is mounted.
straight holes
The style designation indicating the configuration that most nearly corresponds to the arrangement of the mounting hole(s).
2 holes
0.683in. and 0.693in.
A measurement of the center to center distance between the mounting holes along the length.
1.373in. and 1.377in.
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.
250.0 deg fahrenheit
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unjf
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18
A designation that is used for the purpose of general identification of the thread.
0.562in. ⁓9/16"
The included angle of the countersink.
88.0 degrees nut and 102.0 degrees nut
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic polyamide locking insert
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel except insert
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.
cadmium except insert and chromate except insert
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-416, type 2; class 2 fed spec all treatment responses except insert
Answers.
1EA
Steel except insert
Plastic polyamide locking insert
18
Right-hand
3b
Schedule B number: 7318160000
nmfc 000000
Nuts of iron or steel
FSC 5310 ⁓ Nuts and washers
Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).
NSN 5310-01-100-5206 NUT,SELF-LOCKING,PLATE
cadmium except insert surface treated 18 thread quantity per inch right-hand 3b thread class
- NIIN
- 011005206
- NIIN Date
- 09/08/80
- Schedule B
- 7318160000
- Name Code
- 05280
- FIIG
- A021A0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $113.25 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- 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
- - Department of The Air Force
- - Department of The Navy
- - Australia
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- No rating
- 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
- Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
- Commodity (for shipments via water)
- Food sercive equipment, (mkt), field ranges, vacuum cans, beverage containers, etc
- NMFC (national motor freight code)
- 000000 NO NMFC FREIGHT DESCRIPTION
- UFC (universal freight code)
- 00000
Similar by Design Other nuts with similar characteristics
Nothing similar to this part number was found in our inventory
MS21078-9 / Nut,self-locking,plateWhat is the formal definition of this item?
A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. an integral feature is incorporated for locking on the threads of a mating member.
