Part Number 20-21

Hexagon Self-locking Nut

Pricing & Availability

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Part Number

DEMIL

Shelf Life

UOM

NIIN

Part:

20-21

Demil:

Shelf Life:

UOM:

NIIN:

004679908

NSN

National Stock Number:

5310-00-467-9908 5310004679908

TXT

Description:

Hexagon Self-locking Nut

INC

Item Name Code:

05277

MRC:

A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD

Thread Class:

MRC:

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.AAJF

Thread Direction:

Right-hand

MRC:

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

Locking Feature:

Free-running all metal design

MRC:

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

Nut Style:

Hexagon

MRC:

None.ADEA

Nut Height:

1.338 inches

MRC:

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

Width Across Flats:

1.433 inches

MRC:

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

Thread Series:

Unc

MRC:

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

Thready Qty Per Inch (tpi):

MRC:

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

Thread Size:

0.875 inches

MRC:

Indicates the type of bearing surface.CRTM

Bearing Surface Type:

Washer faced

MRC:

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

Material:

Steel

Code	Definition
FN	Factory New. Parts manufactured by then OEM and includes manufacturer certification.
NE	New. Parts manufactured by the OEM. May include manufacturer certification or company certification.
NS	New Surplus. New material item purchased from excess inventory.
OH	Overhauled. Product has been rebuilt and tested in accordance with the manufacturer's specifications by a repair shop (MRO).
SV	Serviceable product.
AR	As Removed. Product removed from aircraft or platform with no guarentee on the functionality of the part.
RP	Repairable. Product can be repaired by a MRO and be given a FAA 8130 or EASA Form 1 certification.

Part Number 20-21

Pricing & Availability

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