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Datasheet. 69678M720 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 all nonmetallic design
0.725in.
A substance designed to provide a reduction of friction between the two surfaces in contact.
dry film lubricant
The distance measured in a straight line from the bottom to the top of an item.
0.470in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
double hexagon
0.044in.
The shortest straight line between flats,perpendicular to the height.
0.553in. and 0.564in. ⁓37/64"
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.
450.0 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.
20
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
49.0 rockwell c
A designation that is used for the purpose of general identification of the thread.
0.437in. ⁓7/16"
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.
matl steel comp uns K74015
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.
AMS6487 assn std single material response
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
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 single treatment response
The controlling activity and identification of a document used in lieu of a specification in the procurement of an item of supply.
56878-sd.302.69678
Answers.
Steel
20
Right-hand
3b
Schedule B number: 7318160000
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 5310-01-193-1499 NUT,SELF-LOCKING,EXTENDED WASHER
cadmium surface treated matl steel comp uns K74015 20 thread quantity per inch right-hand 3b thread class
- NIIN
- 011931499
- NIIN Date
- 10/30/84
- Schedule B
- 7318160000
- Name Code
- 29729
- FIIG
- A021A0
- 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
| 1. | RM55LH9638-7 | Cage 72962 |
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69678M720 / Nut,self-locking,extended washerWhat is the formal definition of this item?
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. an integral feature is incorporated for locking on the threads of a mating member.
