627790

627790 Double Extended Washer Plain Nut
Home » Catalog » Nuts & Washers (p. 3131) » Double Extended Washer Plain Nuts (p. 2) » Part Number 627790

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Datasheet. 627790 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

Washer Outside Diameter

0.428in. and 0.448in.

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

0.401in. and 0.411in.

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

double hexagon

Washer Thickness

0.065in. and 0.075in.

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

w/s:aircraft, F-111; engine, aircraft TF-30

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

0.367in. and 0.376in. ⁓25/64"

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.

28

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.

iron alloy 660

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.

ams 5735 assn std single material response

Precious Material
Identification of the precious material contained in the item.

silver

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.

silver

Answers.

What quantity is this sold in?

1EA

What material is the double extended washer plain nut made of ?

Iron alloy 660

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 627790?

5310-00-105-3961

How is this classified for shipping?

Schedule B number: 7318160000
nmfc 093486
Nuts of iron or steel

What's the federal classification of 627790?

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 5310-00-105-3961 NUT,PLAIN,EXTENDED WASHER,DOUBLE

Used on w/s:aircraft, f-111; engine, aircraft tf-30. silver surface treated 28 thread quantity per inch right-hand 3b thread class

NIIN
001053961
NIIN Date
07/12/68
Schedule B
7318160000 
Name Code
04888
FIIG
A021A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
1 
Historical Price
$13.23 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

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

1. 69405-428 Cage 56878

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Air Force 

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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
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
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

627790 / Nut,plain,extended washer,doubleWhat is the formal definition of this item?

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery.