Plate Self-Locking Nut

MS21056L4

(NSN) National Stock Number

5310-00-773-8668

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, 0.254 inches minimum nut counterbore diameter, dry film lubricant lubrication, 0.098 inches minimum and 0.103 inches maximum mounting hole diameter

DAC	HCC	DMIL	RNCC
1	-	-	3

RNVC	SADC	MSDS	RNAAC
2	-	-	ZZ

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

0.254 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.

Lubrication

dry film lubricant

Details

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

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

0.852 inches maximum

Details

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

Nut Height

0.281 inches maximum

Details

None.

Plate Thickness

0.055 inches maximum

Details

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

Nut Counterbore Depth

0.062 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

0.495 inches minimum and 0.505 inches maximum

Details

None.

Temp Rating

450.0 deg fahrenheit nominal

Details

A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.

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.

Hardness Rating

49.0 rockwell c maximum

Details

A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

Nominal Thread Size

0.250 inches

Details

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

Material

iron alloy 660 overall

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 overall or ams 5735 assn std single material response overall or ams 5737 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.

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.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
K3001-4	R1120	6	-	5	2	-	ZG
K3001-4	15653	4	-	5	2	-	KZ
R3000C4M	52828	5	-	5	2	-	KZ
T7C428M	52828	4	-	5	2	-	ZZ
T7C428M	11815	4	-	5	9	-	KZ
12720E-048	80539	4	-	5	2	-	KZ
K3001-4	75237	4	-	5	9	-	KZ
8	72962	4	-	5	9	-	SB
RMLHTA55-2860-04	72962	4	-	5	9	-	SB
RMLHTA55-2860-048	72962	4	-	5	9	-	KZ
12720E-048	56878	4	-	5	9	-	KZ
MS21056L4	96906	3	-	5	2	-	ZZ
MS21056L4	96901	1	-	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	-

RVC	WCC	TCC	SHC
-	573	Z	9

Certified Supplier

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

ISO9001 / AS9100 Quality Standards
HAZMAT Certified
On Time Delivery
Qualified sales team
Counterfeit Parts Prevention
100% Product Inspections

Manufacturer

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

CAGE: 80205

ARLINGTON , VA , 22209

UNITED STATES

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FAQs

Frequently asked questions for NSN 5310-00-773-8668

What is the NIIN of the NSN 5310-00-773-8668?

The National Item Identification Number (NIIN) of the NSN 5310-00-773-8668 is 00-773-8668

When the NSN 5310-00-773-8668 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Fri, Jan 1, 1960

Does the NSN 5310-00-773-8668 contain any precious metals?

Type/content is unknown

Does the NSN 5310-00-773-8668 contain any hazardous material?

No data in HMIRS

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