HW17-4DF

HW174DF Self-locking Assembled Washe Nut
Home » Catalog » Nuts & Washers (p. 1780) » Self-locking Assembled Washe Nuts (p. 5) » Part Number HW17-4DF

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Datasheet. HW17-4DF 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 metal design

Washer Outside Diameter

0.460in.

Counterbore Diameter
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.

0.277in. nut and 0.287in. nut

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

dry film lubricant

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

0.271in. and 0.291in.

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

flat with turned up edge

Nut Counterbore Depth
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.

0.072in. nut and 0.087in. nut

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

0.274in. and 0.284in. ⁓19/64"

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

450.0 deg fahrenheit

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.

28

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

40.0 rockwell c and 45.0 rockwell c

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

0.250in. ⁓1/4"

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

steel comp 8740 nut or steel comp 4037 nut

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

steel washer

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.

MIL-S-6049 mil spec 1st material response nut or MIL-S-8695 mil spec 2nd material response nut

Surface Treatment
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.

cadmium

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

QQ-P-416 type ii class 3 fed spec single treatment response

Answers.

What quantity is this sold in?

1EA

What material is the self-locking assembled washe nut made of ?

Steel washer

What material is the self-locking assembled washe nut made of ?

Steel comp 8740 nut or steel comp 4037 nut

What is the thread quantity per inch?

28

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for HW17-4DF?

5310-01-155-9273

How is this classified for shipping?

Schedule B number: 7318160000
Nuts of iron or steel

What's the federal classification of HW17-4DF?

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 5310-01-155-9273 NUT,SELF-LOCKING,ASSEMBLED WASHE

cadmium surface treated 28 thread quantity per inch right-hand 3b thread class

NIIN
011559273
NIIN Date
06/16/83
Schedule B
7318160000 
Name Code
29736
FIIG
A021A0
QUP
1 
Historical Price
$2.88 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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - U.s. Coast Guard 
  • - Malaysia 
  • - Belgium 
  • - France 
  • - Italy 
  • - Norway 

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Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

HW17-4DF / Nut,self-locking,assembled washeWhat is the formal definition of this item?

A nut on which has been assembled a nonremovable washer. an integral feature is incorporated for locking on the threads of a mating member.