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NSN: 5310-00-001-4792
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Part Numbers

Item Number Item Description
0126381-1 Nut, Plain, Hexagon
2209 Nut, Plain, Hexagon
540-9205-003 Nut, Plain, Hexagon
8213A0632-17 Nut, Plain, Hexagon
8213A0632-16 Nut, Plain, Hexagon
8422 Nut, Plain, Hexagon
5340-039-0007 Nut, Plain, Hexagon

Master Requirement Codes

Code Translation
CRTM Indicates the type of bearing surface.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
CQJX A designation that is used for the purpose of general identification of the thread.
ACTA The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.
ASDB The shortest straight line between flats, perpendicular to the height.
STDC The specification, standard, or manufacturers reference, and the classification designation, such as type, class, grade, and the like, that identifies the surface treatment material.
SFTT 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.
AAJD A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
AAJF 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.
CMLP The number of threads on the item per linear inch measured on a line parallel to the thread axis.
BZRR A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

8213A0632-17 Hexagon Plain Nut

Cage 04614

Technical Definition

Nut, Plain, Hexagon, also referenced with federal logistics item name code 01857 - A nut, flat on top and bottom having 6 flat sides. for items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. see also locknut, tube fitting. for items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Technical Characteristics

Bearing Surface Type (CRTM):
Material (MATT):
Aluminum alloy 2011 overall
Nominal Thread Size (CQJX):
0.138 inches
Nut Height (ADEA):
0.375 inches nominal
Nut Style (ACTA):
Material Document And Classification (MDCL):
Qq-a-225/3 fed spec single material response overall
Width Across Flats (ASDB):
0.250 inches nominal
Surface Treatment Document And Classification (STDC):
Mil-c-5541 mil spec single treatment response overall
Surface Treatment (SFTT):
Chromate overall
Thread Class (AAJD):
Thread Direction (AAJF):
Thread Quantity Per Inch (CMLP):
Thread Series (BZRR):

National Stock Number (NSN)