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Datasheet. NAS1803-3B11 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
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.
0.195in. base and 0.200in. base
A substance designed to provide a reduction of friction between the two surfaces in contact.
dry film lubricant
The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.
0.098in. and 0.103in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
plate (floating)
A measurement of the longest dimension of the nut,in distinction from width.
1.360in. and 1.390in. ⁓1-25/64"
0.310in. ⁓5/16"
A measurement of the smallest dimension of a plate,in distinction from length or width.
0.023in. and 0.027in.
A measurement taken at right angles to the length of a plate,in distinction from thickness.
0.865in.
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.
0.268in. base and 0.278in. base
The style designation indicating the configuration that most nearly corresponds to the arrangement of the mounting hole(s).
2 holes
0.557in. and 0.567in.
A measurement of the center to center distance between the mounting holes along the length.
1.123in. and 1.127in.
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unjf
Those features,not otherwise specified,which may be required for proper functioning of the item.
floating nut
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
32
A designation that is used for the purpose of general identification of the thread.
0.190in. ⁓13/64"
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.
surface treatment must meet salt spray test requirements of QQ-P-416, ty 2; spring loaded boss extends below base
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4130 nut or steel comp 8740 nut
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 631 clip
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 631 base
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 631 spring
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 nut and chromate nut
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.
passivate base
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.
passivate clip
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-35 fed spec single treatment response base
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-35 fed spec single treatment response clip
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, cl 2 fed spec 1st treatment response nut or QQ-P-416, ty 2 fed spec 2nd treatment response nut
The document designator of the specification or standard which established the item of supply.
80205-NAS1803 professional/industrial association standard
Answers.
Steel comp 631 spring
Steel comp 631 base
Steel comp 631 clip
Steel comp 4130 nut or steel comp 8740 nut
32
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 5310-01-449-8804 NUT,SELF-LOCKING,PLATE
passivate clip surface treated surface treatment must meet salt spray test requirements of qq-p-416, ty 2; spring loaded boss extends below base 32 thread quantity per inch right-hand 3b thread class
- NIIN
- 014498804
- NIIN Date
- 10/18/97
- Schedule B
- 7318160000
- Name Code
- 05280
- FIIG
- A021A0
- QUP
- Historical Price
- $11.13 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
Major End Users Countries and entities
- - Department of The Air Force
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NAS1803-3B11 / 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.
