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Datasheet. K874269-011 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b
The minimum and maximum pitch diameter limits of a straight screw thread.
+1.8969/+1.9021in.
The length of a straight line which passes through the center of that portion used to guide the item and terminates at the circumference.
2.787in. and 2.792in.
The length of the pilot,which is the unthreaded portion beyond the thread used to guide the item.
0.370in. and 0.380in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
spline
2.787in. and 2.792in.
0.570in. and 0.580in. ⁓19/32"
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unf
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
16
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
34.0 rockwell c and 38.0 rockwell c
A designation that is used for the purpose of general identification of the thread.
1.938in. ⁓1-61/64"
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.
heat treat to 150 ksi tensile strength; external 44 tooth spline, major dia. 2.787 - 2.792 in., minor dia. 2.6656 in. , flat root; 18 equally spaced slots 0.175 - 0.180 in. width
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4340
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.
aluminum and chromate
Answers.
Steel comp 4340
16
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 5310-01-473-1363 NUT,PLAIN,SPLINE
aluminum surface treated heat treat to 150 ksi tensile strength; external 44 tooth spline, major dia. 2.787 - 2.792 in., minor dia. 2.6656 in. , flat root; 18 equally spaced slots 0.175 - 0.180 in. width 16 thread quantity per inch 3b thread class
- NIIN
- 014731363
- NIIN Date
- 03/28/00
- Schedule B
- 7318160000
- Name Code
- 01861
- FIIG
- A021A0
- 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
- - New Zealand
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K874269-011 / Nut,plain,splineWhat is the formal definition of this item?
A nut having an externally splined sleeve which holds it in position when forced into a hole of slightly smaller diameter.
