1881-129

1881129 Plain Round Nut

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Datasheet. 1881-129 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

Small End Diameter
The length of a straight line which passes through the center of the small end,and terminates at the circumference.

3.620in.

Drive Point Depth

0.312in.

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

round

Nut Diameter

4.380in.

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

0.960in.

Drive Point Width

0.440 in.

Undercut Thickness

0.648 in.

Drive Point Quantity

6

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.

12

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

3.125in. ⁓3-1/8"

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

steel

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-8844 CL3, 300m mil 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.

cadmium titanium plate

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.

enamel except threads and primer except threads

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.

CPC8225, 13002 mfr ref single treatment response

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.

MIL-C-83286 color 17875 mil spec 1st treatment response except threads and MIL-P-23377 mil spec 2nd treatment response except threads

Answers.

What quantity is this sold in?

1EA

What material is the plain round nut made of ?

Steel

What is the thread quantity per inch?

12

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for 1881-129?

5310-01-178-3321

How is this classified for shipping?

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

What's the federal classification of 1881-129?

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 5310-01-178-3321 NUT,PLAIN,ROUND

enamel except threads surface treated 12 thread quantity per inch right-hand 3b thread class

NIIN
011783321
NIIN Date
05/04/84
Schedule B
7318160000 
Name Code
15887
FIIG
A021A0
Item Weight
0.000lbs
Item Dimensions
300 X 180 X 60
QUP
Historical Price
$5,610.78 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 Air Force 

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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
Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing 
Commodity (for shipments via water)
Bolts or nuts (iron or steel),(less than 35 feet) 
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

1881-129 / 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.)