Part Number 51221-1-102

Hexagon Head Cap Screw

Pricing & Availability

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Part Number

DEMIL

Shelf Life

UOM

NIIN

Part:

51221-1-102

Demil:

Shelf Life:

UOM:

NIIN:

013901910

Part Information
Navy special project

NSN

National Stock Number:

5305-01-390-1910 5305013901910

TXT

Description:

Hexagon Head Cap Screw

INC

Item Name Code:

18257

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:

The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.AASB

Fastener Length:

3.000 inches

MRC:

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

Head Style:

Hexagon

MRC:

The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.AHYM

Thread Diameter:

0.875 inches

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:

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.FEAT

Special Features:

Undercut-dia. 0.818 inches min. And 0.820 inches max; length-0.086 inches min. And 0.091 inches max..

MRC:

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

Material:

Steel

MRC:

A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD

Thread Series Designator:

Unf

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 51221-1-102

Pricing & Availability

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