Plate Self-Locking Nut

F49251-3-6

(NSN) National Stock Number

5310-00-279-4280

Federal Supply Classification

5310 Nuts and Washers

Item Name Code

05280

Schedule B Code

7318160000

Summary

3b thread class, right-hand thread direction, prevailing torque all metal design locking feature, 0.194 inches minimum nut counterbore diameter, 0.098 inches minimum and 0.103 inches maximum mounting hole diameter, plate nut style

DAC	HCC	DMIL	RNCC
5	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	SB

Identification

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.

INC	FIIG	Concept	Condition
05280	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.

Locking Feature

prevailing torque all metal design

Details

An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

Counterbore Diameter

0.194 inches minimum nut

Details

The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.

Mounting Hole Diameter

0.098 inches minimum and 0.103 inches maximum

Details

The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.

Nut Style

plate

Details

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

Nut Length

1.051 inches maximum

Details

A measurement of the longest dimension of the nut,in distinction from width.

Nut Height

0.568 inches maximum

Details

None.

Plate Thickness

0.028 inches minimum and 0.036 inches maximum

Details

A measurement of the smallest dimension of a plate,in distinction from length or width.

Plate Width

0.474 inches nominal

Details

A measurement taken at right angles to the length of a plate,in distinction from thickness.

Nut Counterbore Depth

0.375 inches minimum nut

Details

The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.

Nut Mounting Provision

straight holes

Details

The means by which the nut is mounted.

Mounting Hole Arrangement Style

2 holes

Details

The style designation indicating the configuration that most nearly corresponds to the arrangement of the mounting hole(s).

Distance From Aperture Center To Mounting Hole Center

0.339 inches minimum and 0.349 inches maximum

Details

None.

Center To Center Distance Between Mounting Holes Along Length

0.310 inches minimum and 0.314 inches maximum

Details

A measurement of the center to center distance between the mounting holes along the length.

Thread Series

unjf

Details

A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

Features Provided

floating nut

Details

Those features,not otherwise specified,which may be required for proper functioning of the item.

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

0.190 inches

Details

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

Special Features

selected item

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 corrosion resisting nut

Details

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

Material

steel corrosion resisting shell

Details

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

Material Document And Classification

ams 5525 assn std single material response shell or ams 5732 assn std single material response shell

Details

The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.

Surface Treatment

passivate shell

Details

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.

Specification/Standard Data

76301-st3-442 manufacturers standard

Details

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

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
10121243	A486G	9	-	6	9	-	WF
BFN442-3-6	27238	1	-	3	2	-	KZ
F49251E3-6	15653	1	-	3	2	-	KZ
NS202042-02-6	80539	1	-	3	2	-	KZ
ST3M442-3A6	76301	2	-	7	2	-	SB
F18427-6-3	72962	5	-	5	9	-	SB
F18427L6-3	72962	1	-	5	9	-	KZ

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
50270	-	U	-

RVC	WCC	TCC	SHC
-	713	Z	9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

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Manufacturer

HOWMET GLOBAL FASTENING SYSTEMS INC

CAGE: 15653

FULLERTON , CA , 92831-5334

UNITED STATES

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FAQs

Frequently asked questions for NSN 5310-00-279-4280

What is the NIIN of the NSN 5310-00-279-4280?

The National Item Identification Number (NIIN) of the NSN 5310-00-279-4280 is 00-279-4280

When the NSN 5310-00-279-4280 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Fri, Aug 31, 1973

Does the NSN 5310-00-279-4280 contain any precious metals?

Type/content is unknown

Does the NSN 5310-00-279-4280 contain any hazardous material?

No data in HMIRS

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