Knurled Plain Nut

232-37138-4

232-37138-4
(NSN) National Stock Number
5310-01-183-4981
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
15886
Schedule B Code
7318160000
Summary

2b thread class, right-hand thread direction, 0.640 inches minimum first end and 0.670 inches maximum first end counterbore diameter, 1.500 inches nominal small end diameter, knurled nut style, 2.440 inches nominal nut diameter

DAC HCC DMIL RNCC
2 - - 3
RNVC SADC MSDS RNAAC
2 - - SB
Identification

A nut, round in shape, having all or part of its outer surface knurled. It may have provisions for external wrenching. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, round. (when height or thickness, and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).

INC FIIG Concept Condition
15886 A021A0 1 1
Specifications
Thread Class
2b
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
right-hand
Details 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.
Counterbore Diameter
0.640 inches minimum first end and 0.670 inches maximum first end
Details The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.
Small End Diameter
1.500 inches nominal
Details The length of a straight line which passes through the center of the small end,and terminates at the circumference.
Nut Style
knurled
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
Nut Diameter
2.440 inches nominal
Details None.
Nut Thickness
1.250 inches nominal
Details A measurement between the opposite flat surfaces of the nut,in distinction from length or width.
Knurl Width
0.630 inches nominal
Details None.
Thread Series
unc
Details A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
Thread Quantity Per Inch
11
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.625 inches
Details A designation that is used for the purpose of general identification of the thread.
Countersink Angle
90.0 degrees minimum first end and 120.0 degrees maximum first end
Details The included angle of the countersink.
Special Features
end is convex shrerical radius 1.500
Details 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 on one or more other functions.
Material
steel comp 4130 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
mil-s-5226b mil spec single material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
48950 - W -
RVC WCC TCC SHC
- 573 Z 9

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Manufacturer
THE BOEING COMPANY DIV DEFENSE
CAGE: 81205
TUKWILA , WA , 98108-4002
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-01-183-4981
What is the NIIN of the NSN 5310-01-183-4981?
The National Item Identification Number (NIIN) of the NSN 5310-01-183-4981 is 01-183-4981
When the NSN 5310-01-183-4981 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Sat, Jul 7, 1984
Does the NSN 5310-01-183-4981 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-01-183-4981 contain any hazardous material?
No data in HMIRS

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