1331AB

1331AB Plain Round Nut

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Datasheet. 1331AB 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

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.

0.578in. nut

Drive Point Depth

0.188in.

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

round

Nut Diameter

1.000in.

Nut Thickness
A measurement between the opposite flat surfaces of the nut,in distinction from length or width.

0.625in.

Drive Point Width

0.156in.

Drive Point Quantity

4

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

0.219in. nut

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.

18

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

0.562in. ⁓9/16"

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

steel comp 303se

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.

QQ-S-764 fed spec 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.

passivate

Answers.

What quantity is this sold in?

1EA

What material is the plain round nut made of ?

Steel comp 303se

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 1331AB?

5310-00-638-1142

How is this classified for shipping?

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

What's the federal classification of 1331AB?

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 5310-00-638-1142 NUT,PLAIN,ROUND

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

NIIN
006381142
NIIN Date
01/01/63
Schedule B
7318160000 
Name Code
15887
FIIG
A021A0
Item Weight
0.600lbs
Item Dimensions
--
QUP
Historical Price
$107.93 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
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. 576912PC14 Cage 83590

Major End Users Countries and entities

  • - Department of The Navy 
  • - U.s. Coast Guard 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Thailand 
  • - Australia 
  • - Belgium 
  • - Canada 
  • - New Zealand 
  • - France 
  • - Republic of Korea 
  • - Portugal 
  • - Italy 
  • - Greece 
  • - Turkey 

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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

1331AB / Nut,plain,roundWhat is the formal definition of this item?

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. for items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. see also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)