Hexagon Plain Nut

20682PCM425

(NSN) National Stock Number

5310-00-010-2637

Federal Supply Classification

5310 Nuts and Washers

Item Name Code

01857

Schedule B Code

7318160000

Summary

2b thread class, right-hand thread direction, hexagon nut style, 0.427 inches minimum and 0.448 inches maximum nut height, 0.736 inches minimum and 0.750 inches maximum width across flats, unc thread series

DAC	HCC	DMIL	RNCC
X	-	-	3

RNVC	SADC	MSDS	RNAAC
2	-	-	XX

Identification

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.)

INC	FIIG	Concept	Condition
01857	A021A0	1	1

Specifications

Thread Class

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.

Nut Style

hexagon

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

Nut Height

0.427 inches minimum and 0.448 inches maximum

Details

None.

Width Across Flats

0.736 inches minimum and 0.750 inches maximum

Details

The shortest straight line between flats,perpendicular to the height.

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

Details

The number of threads on the item per linear inch measured on a line parallel to the thread axis.

Nominal Thread Size

0.500 inches

Details

A designation that is used for the purpose of general identification of the thread.

Bearing Surface Type

chamfered or washer faced

Details

Indicates the type of bearing surface.

Special Features

matl steel sae uns k05802-b

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 overall

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Material Document And Classification

astm a563,grade b assn std single material response overall or sae j995,grade 2 assn std 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.

Specification/Standard Data

81348-ff-n-836 government specification and 80204-ansi b18.2.2 professional/industrial association standard and 96906-ms35690/canceled/ government standard

Details

The document designator of the specification or standard which established the item of supply.

Nondefinitive Spec/Std Data

2 type and 4 style and 3 table and 1/2in. size

Details

The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.

Departure From Cited Document

ff-n-836,paragraph 3.6 uncoated plain fin.

Details

The technical differentiating characteristic/s/ of an item of supply which depart/s/ from the text of a specification or a standard in that it represents a selection of characteristics stated in the specification or standard as being optional,or a variation from one or more of the stated characteristics,or an additional characteristic not stated in the specification or standard.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
ANSI B18.2.2 TABLE 3 SIZE 1/2 IN	80204	4	-	3	1	-	9Z
Z	59690	5	-	5	9	-	KZ
Z	91940	X	-	3	2	-	XX
102637	23705	6	-	5	9	-	9Z
FF-N-836	81348	4	-	4	1	-	9Z
102637	12204	4	-	3	2	-	9Z
102637	24617	4	-	5	9	-	9Z
7503-18B	52793	X	-	3	2	-	XX
102637	7X677	4	-	C	1	-	ZZ
102637	19207	2	-	5	9	-	9Z
7337579	19207	X	-	3	2	-	XX
31X30	83120	X	-	5	9	-	XX
33845S	23040	X	-	5	9	-	XX
Z	8E499	5	-	5	9	-	KZ
804720	49185	5	-	5	2	-	ZZ
9158	53239	X	-	5	9	-	XX
14627PCM425	61208	X	-	3	2	-	XX
17652PCM425	61208	X	-	3	2	-	XX
18317PCM425	61208	X	-	3	2	-	XX
19400PCM425	61208	X	-	3	2	-	XX
1D4719	61208	X	-	3	2	-	XX
20681PCM425	61208	X	-	3	2	-	XX
M425	61208	2	-	3	2	-	9Z
X8761APCM425	61208	X	-	3	2	-	XX
X8841APCM425	61208	X	-	3	2	-	XX
X8841PCM425	61208	X	-	3	2	-	XX
804720	02280	5	-	5	9	-	ZZ

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
N	U	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
48950	-	W	U

RVC	WCC	TCC	SHC
-	573	Z	9

Certified Supplier

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Manufacturer

TWIN DISC, INCORPORATED

CAGE: 61208

MILWAUKEE , WI , 53202-6062

UNITED STATES

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FAQs

Frequently asked questions for NSN 5310-00-010-2637

What is the NIIN of the NSN 5310-00-010-2637?

The National Item Identification Number (NIIN) of the NSN 5310-00-010-2637 is 00-010-2637

When the NSN 5310-00-010-2637 was assigned to the Federal Catalog?

It was assigned 61 years ago, on Tue, Jan 1, 1963

Does the NSN 5310-00-010-2637 contain any precious metals?

Type/content is unknown

Does the NSN 5310-00-010-2637 contain any hazardous material?

No data in HMIRS

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