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Datasheet. 76231C-1812 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 metal design
2.050in.
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.
1.570in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
double hexagon
0.115in.
The shortest straight line between flats,perpendicular to the height.
1.628in. ⁓1-41/64"
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.
12
A designation that is used for the purpose of general identification of the thread.
1.125in. ⁓1-1/8"
The included angle of the countersink.
90.0 degrees both ends
The chemical compound or mechanical mixture properties of which the item is fabricated.
nickel alloy 718
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 5662 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 TY2 CL1 fed spec single treatment response
Answers.
Nickel alloy 718
12
Right-hand
3b
Schedule B number: 7508900000
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
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 5310-01-147-0318 NUT,SELF-LOCKING,EXTENDED WASHER
cadmium surface treated 12 thread quantity per inch right-hand 3b thread class
- NIIN
- 011470318
- NIIN Date
- 02/09/83
- Schedule B
- 7508900000
- 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
Major End Users Countries and entities
- - Denmark
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76231C-1812 / 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.
