Single Ball Sea Self-Locking Nut

KFN671-5

(NSN) National Stock Number

5310-01-342-7253

Federal Supply Classification

5310 Nuts and Washers

Item Name Code

29732

Schedule B Code

7318160000

Summary

3b thread class, right-hand thread direction, prevailing torque all metal design locking feature, 0.580 inches minimum and 0.590 inches maximum washer outside diameter, dry film lubricant lubrication, 0.430 inches nominal overall height

DAC	HCC	DMIL	RNCC
5	-	-	3

RNVC	SADC	MSDS	RNAAC
2	-	-	ZZ

Identification

A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.

INC	FIIG	Concept	Condition
29732	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.

Washer Outside Diameter

0.580 inches minimum and 0.590 inches maximum

Details

None.

Lubrication

dry film lubricant

Details

A substance designed to provide a reduction of friction between the two surfaces in contact.

Overall Height

0.430 inches nominal

Details

The distance measured in a straight line from the bottom to the top of an item.

Ball Seat Radius

0.313 inches nominal

Details

None.

Washer Thickness

0.135 inches minimum and 0.145 inches maximum

Details

None.

End Item Identification

b-1b aircraft

Details

The national stock number or the identification information of the end equipment for which the item is a part.

Width Across Flats

0.367 inches minimum and 0.376 inches maximum

Details

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

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.

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

0.3125 inches

Details

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

Special Features

with matching washer

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 305 or steel comp 304 nut

Details

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

Material

steel comp 630 washer

Details

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

Material Document And Classification

ams 5686 assn std 1st material response or ams 5697 assn std 2nd material response or ams 5639 assn std 2nd material response nut

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 Document And Classification

ams 5643 assn std single material response washer

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 overall

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.

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Details

The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
BH00629M5M	27238	5	-	3	2	-	KZ
KFN671-5	17446	5	-	3	2	-	ZZ
KFN522DL5DL	15653	5	-	5	9	-	KZ
MN36-5AW	73197	5	-	5	9	-	KZ
LE114-0036-0005	43999	A	-	7	2	-	KZ
KFN671-5	56878	5	-	3	2	-	ZZ

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
-	576	Z	9

Certified Supplier

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

Genuine Manufacturers Parts
100% Product Inspection
7 Year Sales Record Retention
Fast On-Time Delivery
HAZMAT Certified
Global Shipping

Manufacturer

HOWMET GLOBAL FASTENING SYSTEMS INC

CAGE: 15653

FULLERTON , CA , 92831-5334

UNITED STATES

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FAQs

Frequently asked questions for NSN 5310-01-342-7253

What is the NIIN of the NSN 5310-01-342-7253?

The National Item Identification Number (NIIN) of the NSN 5310-01-342-7253 is 01-342-7253

When the NSN 5310-01-342-7253 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Mon, Jul 29, 1991

Does the NSN 5310-01-342-7253 contain any precious metals?

Does not contain precious metal

Does the NSN 5310-01-342-7253 contain any hazardous material?

No data in HMIRS

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