MS9881-04

MS988104 Plain Hexagon Nut

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Datasheet. MS9881-04 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

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

hexagon

Nut Height

0.136in. ⁓9/64"

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

spec item

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

0.243in. and 0.251in. ⁓17/64"

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

unf

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

48

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

26.0 rockwell c and 32.0 rockwell c

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

0.112in. ⁓1/8"

Countersink Angle
The included angle of the countersink.

90.0 degrees nut

Bearing Surface Type
Indicates the type of bearing surface.

washer faced

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.

ams 6322 assn std single material response

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.

ams 2400 assn std single treatment response

Answers.

What material is the plain hexagon nut made of ?

Steel comp 8740

What is the thread quantity per inch?

48

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for MS9881-04?

5310-01-323-0232

How is this classified for shipping?

Schedule B number: 7318160000
nmfc 093470
Nuts of iron or steel

What's the federal classification of MS9881-04?

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 5310-01-323-0232 NUT,PLAIN,HEXAGON

Used on spec item. cadmium surface treated 48 thread quantity per inch right-hand 3b thread class

NIIN
013230232
NIIN Date
07/19/90
Schedule B
7318160000 
Name Code
01857
FIIG
A021A0
QUP
 
Historical Price
$2.10 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 Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
70.0 
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)
Metal hardware 
NMFC (national motor freight code)
093470 BOLTS/NUTS I/S 
UFC (universal freight code)
48940 

Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

MS9881-04 / Nut,plain,hexagonWhat is the formal definition of this item?

A nut, flat on top and bottom having 6 flat sides. for items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. see also locknut, tube fitting. for items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)