NAS1758-L20

NAS1758L20 Self-locking Hexagon Nut

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Datasheet. NAS1758-L20 specification

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

3b

Thread Direction
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.

RIGHT-Hand

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

prevailing torque all nonmetallic design

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

hexagon

Nut Height

1.510in. ⁓1-33/64"

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

mrap - common nsn - used on 2 mrap variants and 1 other weapon system

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

1.699in. ⁓1-45/64"

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

unjf

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

12

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

1.250in. ⁓1-1/4"

Bearing Surface Type
Indicates the type of bearing surface.

flat

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

nut, SELF-Locking, extended washer, double hexagon, 220 ksi, 450 deg. f.

Special Features
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.

material: alloy steel, 17-22A (uns K14675) per AMS6304, or 8740 (uns G87400) per AMS6322. /9/

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

steel comp 8740

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

uns G87400 national std all material responses

Answers.

What quantity is this sold in?

1EA

What material is the self-locking hexagon nut made of ?

Steel comp 8740

What is the thread quantity per inch?

12

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for NAS1758-L20?

5310-01-576-0600

How is this classified for shipping?

Schedule B number: 8710000090
nmfc 093486
Parts of armored fighting vehicles,motorized, whether or not fitted with weapons

What's the federal classification of NAS1758-L20?

FSC 5310 ⁓ Nuts and washers

Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.

Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).

NSN 5310-01-576-0600 NUT,SELF-LOCKING,HEXAGON

Used on mrap - common nsn - 2 mrap variants and 1 other weapon system. material: alloy steel, 17-22a (uns K14675) per AMS6304, or 8740 (uns G87400) per AMS6322. /9/ nut, self-locking, extended washer, double hexagon, 220 ksi, 450 deg. f. 12 thread quantity per inch right-hand 3b thread class

NIIN
015760600
NIIN Date
07/21/09
Schedule B
8710000090 
Name Code
05277
FIIG
A021A0
Item Weight
0.000lbs
Item Dimensions
QUP
Historical Price
$287.45 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Army 
  • - U.s. Marine Corps 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing 
Commodity (for shipments via water)
Bolts or nuts (iron or steel),(less than 35 feet) 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

NAS1758-L20 / Nut,self-locking,hexagonWhat is the formal definition of this item?

A nut having a flat bottom and 6 sides. an integral feature is incorporated for locking on the threads of a mating member. excludes nut (1), self-locking, cap.