3978901

3978901 Hexagon Cone Seat Plain Nut
Home » Catalog » Nuts & Washers (p. 2105) » Hexagon Cone Seat Plain Nuts (p. 3) » Part Number 3978901

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Datasheet. 3978901 specification

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

2b

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

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

cone seat, hexagon

Nut Height

0.760in. ⁓49/64"

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

0.861in. and 0.875in. ⁓7/8"

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

unf

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

casehardened

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

18

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

0.562in. ⁓9/16"

Cone Seat Angle

59.00 degrees

Countersink Angle
The included angle of the countersink.

45.0 degrees nut

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

steel comp 1110

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.

zinc

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.

gm 4342-m code 20, fscm 11862 mfr ref single treatment response

Answers.

What material is the hexagon cone seat plain nut made of ?

Steel comp 1110

What is the thread quantity per inch?

18

What is the thread direction?

Right-hand

What is the thread class?

2b

What is the NSN for 3978901?

5310-01-021-9027

How is this classified for shipping?

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

What's the federal classification of 3978901?

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 5310-01-021-9027 NUT,PLAIN,CONE SEAT,HEXAGON

zinc surface treated 18 thread quantity per inch right-hand 2b thread class

NIIN
010219027
NIIN Date
05/21/76
Schedule B
7318160000 
Name Code
05282
FIIG
A021A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$1.35 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

1. EC12339403 Cage 34623
2. 1567442 Cage 11862
3. 5589268 Cage 34623
4. 7072 Cage 62920
5. 1564442 Cage 7X677
6. 1567442 Cage 7X677
7. 15674442 Cage 7X677
8. 7072 Cage 8M213
9. 5310PL0776923 Cage 9009H
10. 5310010219027 Cage SCY13
11. 5310011812442 Cage SCY13

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - U.s. Marine Corps 
  • - Department of The Air Force 
  • - U.s. Coast Guard 
  • - Croatia 
  • - Lithuania 
  • - Slovenia 
  • - Poland 
  • - Spain 
  • - Morocco 
  • - Canada 
  • - Denmark 
  • - Greece 
  • - Turkey 
  • - Nato Maintenance And Supply Agency 

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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

3978901 / Nut,plain,cone seat,hexagonWhat is the formal definition of this item?

A nut having 6 flat sides and a cone seat bearing surface. items may have a removable collar. see also nut (1), plain, single ball seat, hexagon.